Sphero Blueprint Bit Kit - Sphero 750-0541, Use the electrical Bits included in this kit along with the mechanical parts in the Build Kit to make an Engineering Kit. This kit contains 17 electrical Bits, including power, input, output, and motor Bits, and 16 new mechanical parts to level up engineering skills and bring builds to life without the need for programming. It comes with new challenges and two additional units of lesson plans. BRING BUILDS TO LIFE: This Blueprint Bit Kit turns your Blueprint Build Kit into a Blueprint Engineering Kit to teach foundational control systems for robotics and digital electronics. EASY PROTOTYPING: The mechanical parts and electrical Bits are easy to assemble for rapid prototyping due to their practical size and visual and technical simplicity. EXPAND ENGINEERING SKILLS: Access new challenges and units of lesson plans to go beyond mechanical engineering into electrical engineering design and principles. Sphero 750-0541 Sphero Blueprint Bit Kit