The ELECFREAKS micro:bit 32 IN 1 Wonder Building Kit focuses on expanding the blocks with 32 projects available on the WIKI, giving you more options to create more projects. It is equipped with various electronic sensors such as a line tracking sensor, Sonar:bit, water level sensor, etc. to add more challenge and fun to your projects. GRAPHICAL PROGRAM Easy to Start even for Beginners CASE RICH The 32 projects are not all possibilities, you may create more projects with your imagination. SEND WITH FUN SENSORS (the line-tracking sensor, sonar:bit, and water level sensor)   Wukong EXPANSION BOARD Small volume with sufficient energy COMPATIBLE WITH It has a similar size to micro:bit, and there are four fixed holes for 7x5 bricks on the backside. KIT SPECIFICATION Item Parameter Sensors Water level sensor, line-following sensor, Sonar:bit Bricks Over 400pcs Controle micro:bit & Wukong expansion board Communication USB port Size 250 x 190 x 100mm Weight 1150g Motor drive 2 ways(M1,M2) Servo drive 8 ways(S0~S7) Projects 32 projects are provided   Wukong EXPANSION BOARD SPECIFICATION   PACKING LIST   LEARN Wonder Building Kit