Meccano - Micronoid - Blue Basher BUILD A ROBOT FRIEND - This construction set comes with 139 pieces for building a robot that is responsive through simple push button programming. 3 MODES OF PLAY: in 8-Ball mode Micronoid answers yes/no questions, in Dance mode dances if you play music nearby and, in Autonomous mode, the robot basically does whatever it wants, including moving around, whistling, laughing, passing gas, and more. STEM TOY: For over a hundred years, Meccano has been promoting children's STEM (Science, Technology, Engineering, and Math) learning as they build and play . For kids ages 8+ who like building and programming robots. Requires 4 AAA batteries (not included). Includes 139 Parts, 1 Motorized Micro Module, 2 Hand Tools, 1 Instruction Guide