Build your own customizable blaster with the k 5 phantom fires up to 75 feet set includes k39nex rods and connectors plus special parts to create your blaster 1 blaster chamber 1 quick fit grip 1 preload ring and 3 foam darts compatible with the entire k force build and blast line perfect for builders ages 8 and overr r r build your own k 5 phantom customisable blaster with over 50 k39nex piecesr r includes a blaster chamber quick fit grip pre load ring and 2 foam darts