Kids 6-in-1 STEM robotics kit New in box Smoke free home ❤️ 【 6 Set STEM Robotics Kit 】: The STEM projects include a bubble machine, a doodling robot, a balance car, a fiber lamp, a reptile robot, a buzz wire game kit and motor kit needed by these robots. Come and build your own robot! NOT INCLUDED: AA BATTERIES, BUBBLE SOLUTION.