knex k force sabertooth rotoshot blaster building set 47024K'Nex K Force Sabertooth Rotoshot Blaster Building Set 47024 The game set, which consists of 131 pieces in total, includes classic KNEX rods and connectors, 5 foam darts, 1 firer, and a grip handle that fits perfectly in the hand. 5 different Blaster designs can be made by using rods and connectors that are connected to each other in different ways to create target models. If you want to play alone, A target area can be created by combining the K'NEX