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Mad Scientist DISSECT-AN-ALIEN Kit Complete *SEALED CONTENTS* w/Box Mattel 1986
Mad Scientist DISSECT-AN-ALIEN Kit Complete *SEALED CONTENTS* w/Box Mattel 1986

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Vintage Mad Scientist OSCAR I-ROT Monster Mattel 1986 Red Monster
Vintage Mad Scientist OSCAR I-ROT Monster Mattel 1986 Red Monster

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Vintage Mad Scientist Billy Belcher Mattel Purple Monster
Vintage Mad Scientist Billy Belcher Mattel Purple Monster

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Mad Scientist Glowing Glop Mattel 1986 open box
Mad Scientist Glowing Glop Mattel 1986 open box

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Vintage 1986 Mad Scientist Dissect An Alien Mattel Complete With Box Dried Goo
Vintage 1986 Mad Scientist Dissect An Alien Mattel Complete With Box Dried Goo

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Mad Scientist W/ Big Stick And Red Monster I-Rot Finger Puppet Set. 1986 Mattel
Mad Scientist W/ Big Stick And Red Monster I-Rot Finger Puppet Set. 1986 Mattel

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1986 Vintage Mattel MAD SCIENTIST Monster Lab PLAYSET=See photos for contents.
1986 Vintage Mattel MAD SCIENTIST Monster Lab PLAYSET=See photos for contents.

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Vintage Mad Scientist Rock Monster Figure LIGHT BLUE/GRAY 1987 Arco Mattel
Vintage Mad Scientist Rock Monster Figure LIGHT BLUE/GRAY 1987 Arco Mattel

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Vintage Mad Scientist fhe At Home Video VHS Casette Mattel Monster Lab
Vintage Mad Scientist fhe At Home Video VHS Casette Mattel Monster Lab

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Vintage 1986 Mad Scientist Dissect A Alien Mattel Alien Stitches Organs Complete
Vintage 1986 Mad Scientist Dissect A Alien Mattel Alien Stitches Organs Complete

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Vintage 1986 Mattel Mad Scientist Dissect An Alien Figure SB
Vintage 1986 Mattel Mad Scientist Dissect An Alien Figure SB

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Rare VTG 1987 Mattel Mad Scientist - Monster Lab Escape Board Game Incomplete
Rare VTG 1987 Mattel Mad Scientist - Monster Lab Escape Board Game Incomplete

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Vintage Mattel Arco 1987 Mad Scientist Red Alien Creature Monster 3” Figure
Vintage Mattel Arco 1987 Mad Scientist Red Alien Creature Monster 3” Figure

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Mattel Monster High Mad Scientist Lagoona Blue 2008 Doll Blue Black Dress 10"
Mattel Monster High Mad Scientist Lagoona Blue 2008 Doll Blue Black Dress 10"

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Rare Vintage Mattel Mad Scientist Flex Factory Original Shipper Box Only
Rare Vintage Mattel Mad Scientist Flex Factory Original Shipper Box Only

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Monster High Mad Science Lab Ghoulia & Cleo, Accessories Outfits Included
Monster High Mad Science Lab Ghoulia & Cleo, Accessories Outfits Included

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Vintage 1986 Mattel Mad Scientist Monster Lab Unused In Open Box Inv-0500
Vintage 1986 Mattel Mad Scientist Monster Lab Unused In Open Box Inv-0500

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Vintage Mad Scientist OSCAR I-ROT Monster Mattel 1986 Red Monster
Vintage Mad Scientist OSCAR I-ROT Monster Mattel 1986 Red Monster

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Mattel Mad Scientist Monster Lab Assortment
Mattel Mad Scientist Monster Lab Assortment

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1986 Mattel MAD Scientist Monster Lab set NEW
1986 Mattel MAD Scientist Monster Lab set NEW

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1986 Mattel Mad Scientist Red Monster
1986 Mattel Mad Scientist Red Monster

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Vintage 1987 Mattel Mad Scientist Monster Lab Skeleton Tank Booklets Parts
Vintage 1987 Mattel Mad Scientist Monster Lab Skeleton Tank Booklets Parts

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Mattel Mad Scientist Glowing Glop 1986 New Old Stock Open Box
Mattel Mad Scientist Glowing Glop 1986 New Old Stock Open Box

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Vintage Mattel Mad Scientist Monster Lab 1986 Skeleton Figure
Vintage Mattel Mad Scientist Monster Lab 1986 Skeleton Figure

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Vintage Mattel Mad Scientist Monster Lab Parts Lot Only
Vintage Mattel Mad Scientist Monster Lab Parts Lot Only

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Monster High ROBECCA STEAM Daughter of Mad Scientist 1st Wave
Monster High ROBECCA STEAM Daughter of Mad Scientist 1st Wave

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1987 Mattel Mad Scientist Monster Lab W/ Accessories Missing One Piece READ
1987 Mattel Mad Scientist Monster Lab W/ Accessories Missing One Piece READ

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Monster High Mad Scientist Lab Partners
Monster High Mad Scientist Lab Partners

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MAD SCIENTIST Mattel 1986 Monster Alien Blood Ooze Gross SAMMY SNEEZE Figure Toy
MAD SCIENTIST Mattel 1986 Monster Alien Blood Ooze Gross SAMMY SNEEZE Figure Toy

$25.00

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Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure
Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure

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Vintage Mad Scientists Sammy Sneeze Mattel Alien Blood Slime 1980's Monster Toy
Vintage Mad Scientists Sammy Sneeze Mattel Alien Blood Slime 1980's Monster Toy

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Monster High Laguna Blue Mad Scientist 10" Doll w/ Lab Coat 2008 Mattel
Monster High Laguna Blue Mad Scientist 10" Doll w/ Lab Coat 2008 Mattel

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Vintage 1986 Mad Scientist Dissect An Alien Mattel 99% Complete Missing Stiches
Vintage 1986 Mad Scientist Dissect An Alien Mattel 99% Complete Missing Stiches

$134.99

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💥 MAD SCIENTIST 👽 DISSECT-AN-ALIEN 👽 1986 MATTEL 💥 INCOMPLETE 💥
💥 MAD SCIENTIST 👽 DISSECT-AN-ALIEN 👽 1986 MATTEL 💥 INCOMPLETE 💥

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#11010 NRFC Vintage Mattel 2 Mad Scientist Figures with Red & Light Blue Monster
#11010 NRFC Vintage Mattel 2 Mad Scientist Figures with Red & Light Blue Monster

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Mad Scientist Monster Lab accessories mace and axe Mattel 1980's
Mad Scientist Monster Lab accessories mace and axe Mattel 1980's

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2011 MATTEL MONSTER HIGH DOLL Robecca Steam NEW mad scientist stand diary
2011 MATTEL MONSTER HIGH DOLL Robecca Steam NEW mad scientist stand diary

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1986 Vintage Mattel MAD SCIENTIST Monster Lab Playset Part Lot
1986 Vintage Mattel MAD SCIENTIST Monster Lab Playset Part Lot

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Mattel Arco 1987 Mad Scientist Rare Blue Rock Alien Creature Monster 3”
Mattel Arco 1987 Mad Scientist Rare Blue Rock Alien Creature Monster 3”

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2008 Ghoulia Yelps Mad Science Classroom Scientist Monster High 11” Doll
2008 Ghoulia Yelps Mad Science Classroom Scientist Monster High 11” Doll

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Mattel Mad Scientist Glowing Glop 1986 New Old Stock Open Box
Mattel Mad Scientist Glowing Glop 1986 New Old Stock Open Box

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1986 MAD SCIENTIST LIVING ICE NIC BY MATTEL
1986 MAD SCIENTIST LIVING ICE NIC BY MATTEL

$75.00

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Mad Scientist Monster Lab Base Mixing Unit Station Mattel 1986 Original Part
Mad Scientist Monster Lab Base Mixing Unit Station Mattel 1986 Original Part

$19.99

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Vintage 1980s Mattel ARCO Mad Scientist Red Rock Figure Monster Alien Toy
Vintage 1980s Mattel ARCO Mad Scientist Red Rock Figure Monster Alien Toy

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1987 Vintage Mattel MAD SCIENTIST Dress Up Playset MIB Arco HALLOWEEN monster !!
1987 Vintage Mattel MAD SCIENTIST Dress Up Playset MIB Arco HALLOWEEN monster !!

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DEAD TIRED ROBECCA STEAM DAUGHTER OF MAD SCIENTIST 2012 MATTEL MONSTER HIGH
DEAD TIRED ROBECCA STEAM DAUGHTER OF MAD SCIENTIST 2012 MATTEL MONSTER HIGH

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Mattel Mad Scientist Glowing Glop 1986 Open Box 11 Instant Glop 5 Powdered Light
Mattel Mad Scientist Glowing Glop 1986 Open Box 11 Instant Glop 5 Powdered Light

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MAD SCIENTIST - Monster Lab Playset - Mattel
MAD SCIENTIST - Monster Lab Playset - Mattel

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Monster High First Wave Rebecca Steam Daughter Of Mad Scientist Steampunk Doll
Monster High First Wave Rebecca Steam Daughter Of Mad Scientist Steampunk Doll

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HOT WHEELS MONSTER JAM THE MAD SCIENTIST 25 YEARS 1:24 Scale
HOT WHEELS MONSTER JAM THE MAD SCIENTIST 25 YEARS 1:24 Scale

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Monster High Laguna Blue Mad Scientist 10" Doll w/ Lab Coat 2008 Mattel
Monster High Laguna Blue Mad Scientist 10" Doll w/ Lab Coat 2008 Mattel

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Vintage Mad Scientist 1986 MONSTER LAB Mace
Vintage Mad Scientist 1986 MONSTER LAB Mace

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VTG Mattel 1987 Mad Scientist Arco 6" Blue Bendy Bendable Twistable Figure
VTG Mattel 1987 Mad Scientist Arco 6" Blue Bendy Bendable Twistable Figure

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Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure
Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure

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Monster High Ghoulia Yelps Mad Scientist Draculaura Creepateria Mattel
Monster High Ghoulia Yelps Mad Scientist Draculaura Creepateria Mattel

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VINTAGE MAD SCIENTIST Bendy Bendable 6" Figure 1987 Arco Mattel Saw Accessory
VINTAGE MAD SCIENTIST Bendy Bendable 6" Figure 1987 Arco Mattel Saw Accessory

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Vintage 1986 Mattel Mad Scientist Dissect An Alien Part #3 Pink Organ
Vintage 1986 Mattel Mad Scientist Dissect An Alien Part #3 Pink Organ

$9.99

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Monster High Robecca Steam Doll Daughter Of Mad Scientist First Wave
Monster High Robecca Steam Doll Daughter Of Mad Scientist First Wave

$110.00

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Vintage 1986 Mattel Mad Scientist Monster Lab - PART
Vintage 1986 Mattel Mad Scientist Monster Lab - PART

$5.00

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2008 Monster High Lagoona Blue Mad Scientist Mattel Fashion Doll - INCOMPLETE
2008 Monster High Lagoona Blue Mad Scientist Mattel Fashion Doll - INCOMPLETE

$12.00

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RARE Hot Wheels Mattel Mad Scientist Monster Jam Truck
RARE Hot Wheels Mattel Mad Scientist Monster Jam Truck

$56.99

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Vintage Original Mattel Mad Scientist Want to be Gross Comic Book Insert 1986 !
Vintage Original Mattel Mad Scientist Want to be Gross Comic Book Insert 1986 !

$19.69

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Vintage Mattel Mad Scientist Dissect An Alien Figure 1986
Vintage Mattel Mad Scientist Dissect An Alien Figure 1986

$15.99

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#A Monster High Doll CHOOSE- Frankie, Rochelle, Catrine, Ghoulia -Combine SHIP
#A Monster High Doll CHOOSE- Frankie, Rochelle, Catrine, Ghoulia -Combine SHIP

$15.99

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Mad Scientist Monster Lab Playset Part Club Mace Mattel 1986
Mad Scientist Monster Lab Playset Part Club Mace Mattel 1986

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MATCHBOX Monster In My Pocket Sandwiches Series 1 #39 MAD SCIENTIST Red Red
MATCHBOX Monster In My Pocket Sandwiches Series 1 #39 MAD SCIENTIST Red Red

$2.17

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Monster High Rebecca Steam Doll 11" Mattel Daughter Of Mad Scientist
Monster High Rebecca Steam Doll 11" Mattel Daughter Of Mad Scientist

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MAD Scientist Oscar I-Rot Mattel Monster Lab Slime Goblin Ghoul Toy 1986
MAD Scientist Oscar I-Rot Mattel Monster Lab Slime Goblin Ghoul Toy 1986

$30.00

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Mad Scientist Dissect an Alien Mattel vintage 80s game 3 organs Parts
Mad Scientist Dissect an Alien Mattel vintage 80s game 3 organs Parts

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MAD SCIENTIST Mattel 1986 4 Packages Of Instant GLOP C6
MAD SCIENTIST Mattel 1986 4 Packages Of Instant GLOP C6

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2012 Monster High Mad Science Lab CLEO DE NILE Doll
2012 Monster High Mad Science Lab CLEO DE NILE Doll

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1986 Mattel Mad Scientist Dissect an Alien Monster Body
1986 Mattel Mad Scientist Dissect an Alien Monster Body

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Mad Scientist Monster Lab Mace Club Weapon Accessory 1986 Mattel
Mad Scientist Monster Lab Mace Club Weapon Accessory 1986 Mattel

$1.75

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Mad Scientist Sammy Sneeze Mattel Slime Vintage monster Figure Toy 1986
Mad Scientist Sammy Sneeze Mattel Slime Vintage monster Figure Toy 1986

$30.00

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Vintage Mad Scientist Dissect an Alien 1986 Mattel Organ Part #7 Green
Vintage Mad Scientist Dissect an Alien 1986 Mattel Organ Part #7 Green

$1.00

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Hot Wheels Monster Jam The Mad Scientist Die-Cast Metal Body 1:24 Scale, NIB
Hot Wheels Monster Jam The Mad Scientist Die-Cast Metal Body 1:24 Scale, NIB

$61.99

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Monster High Doll Ghouila Yelps Mad Scientist No Hands
Monster High Doll Ghouila Yelps Mad Scientist No Hands

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Monster High Lagoona Blue Mad Scientist Doll w/ Frankie Stein Maul Killer Dress
Monster High Lagoona Blue Mad Scientist Doll w/ Frankie Stein Maul Killer Dress

$14.99

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Mattel MAD Scientist Monster Lab CLUB mace original playset accessory tool part
Mattel MAD Scientist Monster Lab CLUB mace original playset accessory tool part

$1.59

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1986 Mattel Mad Scientist Monster Lab Base Mixing Unit Station Copper Color
1986 Mattel Mad Scientist Monster Lab Base Mixing Unit Station Copper Color

$15.00

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MAD SCIENTIST 1986 Monster Alien Blood Ooze Gross Oscar Instructions Only 4311
MAD SCIENTIST 1986 Monster Alien Blood Ooze Gross Oscar Instructions Only 4311

$1.99

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Mattel Monster High Ghoulia Yelps Mad Scientist Doll
Mattel Monster High Ghoulia Yelps Mad Scientist Doll

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Mattel Monster High Ghoulia Yelps Mad Scientist Doll 2008 Mattel W/Goggle
Mattel Monster High Ghoulia Yelps Mad Scientist Doll 2008 Mattel W/Goggle

$21.50

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Monster High Mad Science Lab Partners/Cleo de Nile & Ghoulia Yelps 11” Dolls
Monster High Mad Science Lab Partners/Cleo de Nile & Ghoulia Yelps 11” Dolls

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VTG Mattel 1986 Mad Scientist Monster Lab Mace And Axe Accessory
VTG Mattel 1986 Mad Scientist Monster Lab Mace And Axe Accessory

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Robecca Steam Daughter of a Mad Scientist Monster HIgh Doll 2011
Robecca Steam Daughter of a Mad Scientist Monster HIgh Doll 2011

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Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure
Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” Figure

$19.99

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Mattel Mad Scientist Dissect-an-Alien Vintage 1986 Figure
Mattel Mad Scientist Dissect-an-Alien Vintage 1986 Figure

$19.99

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Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” C3
Vintage Mattel Arco 1987 Mad Scientist Red Rock Alien Creature Monster 3” C3

$24.99

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Mad Scientist Dissect An Alien Vintage 1986 Mattel Parts Pieces Only Lot of 11
Mad Scientist Dissect An Alien Vintage 1986 Mattel Parts Pieces Only Lot of 11

$19.99

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LOT of (5) Mad Scientist Dissect an Alien Mattel vintage 80s game Organs
LOT of (5) Mad Scientist Dissect an Alien Mattel vintage 80s game Organs

$19.99

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Mattel Monster High 2012 Dance Class Robecca Steam Doll Mad Scientist Daughter
Mattel Monster High 2012 Dance Class Robecca Steam Doll Mad Scientist Daughter

$12.87

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HOT WHEELS MONSTER JAM 2017 THE MAD SCIENTIST 25 YEARS 1:24 Scale MINT NIB
HOT WHEELS MONSTER JAM 2017 THE MAD SCIENTIST 25 YEARS 1:24 Scale MINT NIB

$74.99

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Mattel Mad Scientist Glowing Glop 1986 New Old Stock
Mattel Mad Scientist Glowing Glop 1986 New Old Stock

$49.99

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1986 Mattel Mad Scientist Monster Lab Mace Accessory
1986 Mattel Mad Scientist Monster Lab Mace Accessory

$3.58

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Mattel ULTRA-RARE Mad Scientist SPLATTERS 98% Complete w/ Box, instructions PLUS
Mattel ULTRA-RARE Mad Scientist SPLATTERS 98% Complete w/ Box, instructions PLUS

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Monster High Jane Boolittle Daughter of Mad Scientist Doctor Boolittle 1st edit
Monster High Jane Boolittle Daughter of Mad Scientist Doctor Boolittle 1st edit

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Nickelodeon Mattel Thingmaker Mad Scientist Accessory Pack 1994 Vintage NEW
Nickelodeon Mattel Thingmaker Mad Scientist Accessory Pack 1994 Vintage NEW

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Vtg Nickelodeon Mattel Thingmaker Mad Scientist & Bog Woggs 1994 Monster Mix
Vtg Nickelodeon Mattel Thingmaker Mad Scientist & Bog Woggs 1994 Monster Mix

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Monster High 2008 Laguna Blue Mad Scientist
Monster High 2008 Laguna Blue Mad Scientist

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