Pendulum Ball
Orange Ball
Catapult - [kah-tu-pult] - noun. a non-handheld mechanical device used to throw or hurl a projectile a great distance.
What everyone in the astronaut corps shares in common is not gender or ethnic background, but motivation, perseverance, and desire - the desire to participate in a voyage of discovery. - Ellen Ochoa - Astronaut, invented optical analysis systems for NASA.

Use this tag: #thisismycontraption

The videos below were taken by visitors who used catapults in their contraptions. If you've taken a video of your contraption & posted it on your blog or any social network use the tag thisismycontraption so we can find it & share it on our site & in our exhibit.