Build your own rocket launcher!

Build Your Own Rocket Launcher!Yes, it is rocket science — it’s the new Brain Strainer! Put your knowledge of physics to the test as you build a device that launches a rocket. The more objects you use, the more points you score. And have you taken the TREB Challenge lately?

If you are not automatically redirected, follow this link:
http://www.globalspec.com/BrainStrainer/

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