Build 4 different blaster and target models in one set with the battle bowr fires up to 75 feetr set includes 165 knex parts including rods and connectors plus special parts to create different blastersr 1 blaster chamberr 2 skull dart holdersr 1 quick fit gripr 1 preload ringr 5 foam dartsr in addition to the main battle bow model you can download instructions for 3 alternate blasters and buildable targets from the official knex websiter compatible with the entire k force build and blast