1. Dumbbells for toddlers, circa 1945:
Lambert / Getty Images
2. Ashtray-equipped pedal cars, 1959:
Mirrorpix / Getty Images
3. Fire-eater training kits, 1955:
Hulton Archive / Getty Images
4. Anti-aircraft gun with actual launching missiles, 1942:
Herbert Gehr / Time & Life Pictures / Getty Image
5. Gasoline-powered automobiles for children, circa 1930:
Elmer Fryer / Getty Images
6. Suspended window-cage playpens, 1934:
Fox Photos / Getty Images
7. Atomic Energy play set with real uranium sample, circa 1950:
Historical / Getty Images
8. DDT insecticidal fogging machines, 1945:
Bettmann / Bettmann Archive
9. Projectile-vomiting baby dolls, 1948:
Martha Holmes / Getty Images
10. Wooden boxcar racer for six, 1940s:
George Rinhart / Getty Images
11. Hobby horse hair dryers, 1947:
Keystone Features / Getty Images
12. Terminally ill baby doll, circa 1945:
Bettmann / Bettmann Archive
13. Miniature explosive handguns for toddlers, 1935:
Science & Society Picture Librar / Getty Images
14. Electronic Rifle Range with scoped rifles included, 1962:
Bettmann / Bettmann Archive
15. Dentist's kit with tooth-extraction forceps, 1945:
Walter Sanders / Getty Images
16. Functioning gas-powered seaplane, 1931:
Imagno / Getty Images
17. The Sonic Ear high-velocity listening device, 1979:
Mirrorpix / Getty Images
18. And when all else failed, a functioning power saw for building homemade toys, 1950s:
Bettmann / Bettmann Archive
