Pendulum Ball
Documentation is part of the scientific process. As you build your contraptions, document your process and share it with us w/ the tag #thisismycontraption.

Use this tag: #thisismycontraption

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