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12. Microscope Set
Release Year: 1960s
Manufacturer: Different
Initial Cost: Variable
For inquisitive minds, microscope sets provided access to a small universe of exploration in the 1960s. These sets, which came in different price ranges, let aspiring scientists delve into the world of microbes.

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Microscope Set: @YouTube.com/LiveScience
Microscope sets ignited an enthusiasm for science by allowing people to examine household goods up close or stare at small organisms. The wonders displayed behind the lens left a lasting impression on those who were captivated by them.
13. Live infant
Release Year: 1973
Manufacturer: Hasbro
Initial Cost: $9.99*
Playtime was revolutionized in 1973 with Hasbro's Baby Alive, a doll that could "digest" and eat meals. At $9.99, this interactive doll offered a caring experience that won over the hearts of young caretakers.

Baby Alive on YouTube.com/The Gummy Channel
Having the capacity to "feed" and "change" the doll, Baby Alive developed into a cherished friend who helped several generations of kids develop empathy and a sense of duty. Over the years, this toy has seen numerous iterations.