Build your own customizable blaster with the K-10X! Fires up to 75 feet! Set includes K'NEX rods and connectors plus special parts to create your blaster: 1 blaster chamber, 1 quick fit grip, 1 preload ring and 5 foam darts. Combine with the Mini Cross for an awesome downloadable combo build! Compatible with the entire K-FORCE Build and Blast™ line. Ages 8+.