Which toys of the 1970s "wobble, but they don't fall down"?
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2%Shrinky DinksShrinky Dinks
2%In 1971, Romper Room introduced the world to a series of egg-shaped toys called Weebles that "wobble, but they don't fall down." The characters, which feature a low center of gravity as their core mechanism, could be purchased with a variety of accessories, including a submarine, haunted house, camper van, and tree house.
Source: Flashbak