Mattel Thingmaker heating unit and metal molds for Creepy Crawlers

Image: Kyle Van Horn from Baltimore, MD · CC BY 2.0 · License

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1960s · toys

Creepy Crawlers

Pour goop into bug molds, bake, and peel out rubber insects that smelled like hot plastic glory. Parents hovered because the oven plate was real.

Era
60s
Released
1964
Category
toys
Availability checked
7/7/2026

From the archive

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The pitch

Creepy Crawlers lets you make your own bugs in the Thingmaker oven! Pour the Plasti Goop into metal molds, bake until set, and pop out rubbery spiders, snakes, and insects. Smelly, slightly dangerous, and absolutely unforgettable.

Why people remember it

  • The machine felt slightly dangerous, which kids loved.
  • You could make jewelry or bugs depending on the mold pack.
  • The smell of curing plastigoop is a core 60s kid memory.

Did you know?

  • Mattel's Thingmaker used a hot plate that reached 350 degrees Fahrenheit to cure Plasti Goop.
  • Burns and fumes led to recalls and the original oven was discontinued in the 1970s.
  • Jakks Pacific revived Creepy Crawlers in the 1990s with a safer low heat version.
  • The smell of melting Plasti Goop is burned into the memory of every 1960s kid who owned one.

How people search for it

“bug maker toy”, “rubber insect oven”, “creepy crawly molds”

Tags

Questions people ask

Are Creepy Crawlers machines still sold?
Safety rules changed the formula and heat levels. Modern craft ovens exist under new branding.
Was the goop toxic?
Old formulas weren't food-safe. Ventilation and adult supervision were part of the deal.