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Vintage Mad Scientist Sammy Sneeze Alien Blood Compound Monster Kit Mattel 1986 USD 80.00 · New · Shipping USD 0.00 View on eBay →

1986 Mattel Mad Scientist Dissect An Alien Complete Boxed Vintage Toy Set USD 119.99 · Used · Shipping USD 0.00 View on eBay →

Mattel Mad Scientist Flex Factory 1986 RARE USD 315.00 · Used View on eBay →

Vintage 1986 Rare Arco Mad Scientist Operating Set W/extras. Mattel Monster Tool USD 59.99 · Used View on eBay →

Vintage Mad Scientist Billy Belcher Alien Blood Compound Monster Kit Mattel 1986 USD 100.00 · New · Shipping USD 0.00 View on eBay →

Mattel Mad Scientist Glowing Glop 1986 New Old Stock Unopened USD 60.00 · New · Shipping USD 5.00 View on eBay →

Mad Scientists' Club & New Adventures -Bertrand Brinley Two Paperbacks USD 19.99 · Very Good View on eBay →

Vintage 1986 Mattel MAD SCIENTIST - DISSECT AN ALIEN Toy Playset COMPLETE UNUSED USD 299.00 · Used · Shipping USD 0.00 View on eBay →

Mad Scientist 40k SERIES 1 PACK Opened Chase Foil Wrapper art Lot GPK RARE! USD 198.97 · Open Box/Used · Shipping USD 6.99 View on eBay →

Mad Scientist 40K KIDS GPK SPOOF CHASE /14 MSK7-10 Breathtaking Tim USD 12.97 · Ungraded · Shipping USD 1.79 View on eBay →

Vintage Mattel Mad Scientist Monster Lab Set USD 250.00 · Used · Shipping USD 0.00 View on eBay →

Sealed 1994 Nickelodeon Thingmaker Chill-a-Tron Lab + Mad Scientist Set Mattel USD 114.99 · New · Shipping USD 0.00 View on eBay →