K&rsquo;NEX K-Force &ndash; Double Draw Building Set and Target &ndash; 365 Pieces &ndash;  Ages 8+ Engineering Educational Toy 365 piece set allows you to build 2 blasters and a target at the same time Soft foam darts fire up to 75 feet Features K'NEX parts, blaster chambers, dart holders, quick fit grips, preload rings and 20 foam darts Download instructions for 2 alternate blaster and target builds that can be made from the same set Recommended for ages 8+