Inventions That Changed History : Season 1 Episode 4
discovery+ int(0)
Aired: April 7th, 2022 @ 12:00 AM EST on discovery+
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.