the+waterbottle+baseball+base

=1. What is the name of your invention?= the waterbottle baseball base

=2. Materials?= water and foil

=3. Move people or things? Toy for indoor or outdoor play? Help environment?= outdoor play

=4. How does it work? What does it do?= when you step on it the waterbottle cap flies off and it make the umpires calls much better