Mattel Fun Flowers Thingmaker molds from the 1960s

Mattel Fun Flowers Thingmaker molds from the 1960s These heavy-duty metal plates were used with the iconic Mattel Thingmaker toy line, allowing children to create rubbery, colorful flowers, leaves, and butterflies. To use them, a liquid plastic called Plastigoop was poured into the mold cavities and then heated on a specialized electric heater—a process. Manufacturer: Mattel, Inc. 1966 Fun Flowers 7 Pieces Model Numbers - 4520-051 -> 4520-057 Very Good Condition $25