Boca

How does a water bottle car work? The Holes in the Bottle A large straw is placed through the bottle and students blow up the balloon and release it. ...

Can you make a car? While short cuts are possible, assembling your own car is a daunting task. This is definitely not something for the faint of heart...

Kako natjerati da se auto igračka kreće sam? Stavite magnet na dno stola tako da pol magneta u autu i pol u magnetu ispod stola budu suprotni polovi. ...