'This device whose name is from the Italian for "springboard" was perfected in the 1930s'
a trampoline
LET'S BOUNCE: This device whose name is from the Italian for springboard was perfected in the 1930s
This device whose name is from the Italian for "springboard" was perfected in the 1930s
This device whose name is from the Italian for "springboard" was perfected in the 1930s
LET'S BOUNCE
a trampoline
LET'S BOUNCE