This is pretty cool!! Head over to Amazon and get this K’nex K-Force Build and Blast Crossbow Building Set for Only $31.18 Shipped! (Reg. $45). Fire up your kids’ capabilities as they play and build with the K’NEX K-FORCE Build and Blast Dual Cross Building Set! This educational construction toy consists of 368 assorted parts and pieces made of durable plastic. These include rods and connectors that can attach to one another in different ways to build customizable blasters, battle gear, and targets. It comes with two blaster chambers, three skull dart holders, two quick fit grips, two preload rings, and seven foam darts to create six different types of battle gear, including the dual cross blaster.