Build a customizable blaster with rotating, 5-shot action! The new RotoChamber allows you to fire up to 5 darts without reloading. Each dart fires up to 75 feet. Set includes K'NEX rods and connectors plus special parts to create different blasters: 1 RotoChamber plus 1 quick fit grip and 1 pre-load ring in cool see-through green! Build and rebuild by downloading instructions for 4 additional blasters and targets. Most models can be built one at a time. Compatible with the entire K-FORCE Build and Blast™ line. Ages 8+.