...or learn to tolerate new restaurants...
...or learn how long he can hold his breath underwater...
...or learn how long he can hold his breath underwater...
...or whether hot air from a hair dryer can make a home-made hot-air balloon rise...
...or learning to trust a grown-up when he says...
...air pressure can make a home-made rocket fly!
A child can also learn to bowl...
...or to calculate the scores...
...air pressure can make a home-made rocket fly!
A child can also learn to bowl...
...or to calculate the scores...
...or to jump, run and slide...