Cuboro Standard Starter Set for the award-winning wooden marble run. All fundamental elements necessary for the construction of a track system are contained in the starter sets. The various elements can be combined to countless track systems.
Craft Stick Catapult - I made 4 of these in 5 minutes and they work great! You need craft sticks, 4 rubber bands, hot glue or tape, and a bottle cap (I cut apart an egg carton because I didn't have any bottle caps).