Item number: LKLY4Build a customizable blaster with the NEW Lever-Action RotoChamber! The NEW Lever-Action RotoChamber allows you to rapidly fire up to 5 darts without reloading. Set includes K'NEX rods and connectors plus special parts to create different blasters: 1 NEW Lever-Action RotoChamber plus 1 quick fit grip in metallic copper! 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+.