Camp Trebuchet
Of course you can make a trebuchet while camping 
A motley crew of hurlers
Category: Scouts
Compressed Air Rocket Launchers
When it comes to making your own launcher, it’s hard for me to do much better than the Instructable I put together a few years back.
If on the other hand you are looking to make rockets, fast and furious, check on my video on YouTube is the place to be. There is also another video where I make a high pressure rocket in about 2 minutes.
We’ve made a few compressed air rocket launchers through the years 
Brian’s Science Fair display – not your typical tri-fold 
Raspberry sky 
Discovery Place
Hackerspace Charlotte and later Makerspace Charlotte have had a great relationship with Discovery Place. We created several lab events including LED blinkies, RC Hovercraft, Compressed Air Rockets with parachutes, as well as soldering labs, bug bots, feltronics demos and talks among others.