Ready, aim, blast! Using the fun and clear instruction book, construct a moveable, air-powered cannon and fire away at the included targets. Makers will explore the physics of projectiles, the mechanics of pneumatics, and how they work in everyday machines -- like bicycle pumps! Continue the fun with experiments that harness the power of air. Recommended ages 8 years and up. WARNING: CHOKING HAZARD -- Small parts. Toy contains a small ball. Not for children under 3 yrs.