Inventions That Changed History

The Throwbackiest Episode Ever (1x4)

Air date: Apr 07, 2022

Lava Lamps, Mood Rings, Ouija Boards, Slinkies, Silly Putty, Merlin, Pez Dispensers -- Get ready to go back in invention history, unleash your inner child, summon your youthful spirit, and spring, bounce and bubble your way back to a simpler time.