Science4you - Watch Bot Robot - STEM Toy for Kids (in 9 languages)Build your amazing robot and control it using the smartwatch controller with a gravity sensor included. With the watch on your hand you can control the direction of the robot by changing the watch angle without pushing any button. Robot Building Kit with 35 pieces Use the 35 pieces and have fun building your own smart, interactive, programmable robot and make it move using a watch controller. Enter the coding world learning how robots are programmed!