The littleBits Deluxe Kit offers the most creative inventing possibilities of any Kit! It has 18 color-coded Bits that snap together with magnets to make over 5 million simple and complex circuit combinations. The Deluxe Kit was designed for endless hours of fun and includes both the DC motor (with motorMate accessory) and servo motor (with servo accessories), a wide assortment of wire Bits like the fork, inverter and latch, as well as the timeout and light wire Bits. The Deluxe Kit is a well-stocked littleBits collection just by itself and includes everything you need to start designing and prototyping your own interactive creations. There is also an expansive project booklet with step-by-step instructions for 15 spectacular inventions like the Unihorn Helmet, and the famous Swimming Shark. With so many invention possibilities, your kids will run out of steam before this Kit runs out of utility. The Deluxe Kit is a long-term investment in creativity!