A magnetic tennis ball

First you need a magnetic tennis set, if the other person doesn’t have it, too bad, they will LOSE. I WILL WIN I PLAY TENNIS

How Math & Science Can Help Power My Idea

Engineering and physics because it needs to have a magnetic feel

3 Comments.

  • 73 Think this is awesome
  • 3 Comments
  • 0 Special Guest Comments

tacos are good


Age Category: 10-12

More Opportunities

Find more ways to have fun with math and science right in your home town.

Search by ZIP code