The first trampoline (1 gen 1930 anni – 1 gen 1940 anni)
Descrizione:
Nissen invented trampolines in the 1930's. Nissen was in gymnastics and wanted to create something he can use at home. He made the trampoline out of scrap metal and tire rubber.Aggiunto al nastro di tempo:
Data:
1 gen 1930 anni
1 gen 1940 anni
~ 10 years