UBTECH has a new STEM kit for kids. The JIMU Robot BuilderBots Overdrive Kit comes with everything your kids need to build their own robots. It comes with 410 snap-together interlocking parts and connectors. It has 2 DC motors, 2 robotic servo motors, an ultrasonic sensors, and a main control box.
The companion app provides users with instructions and a joystick for easy control of the robots. DozerBot and DirtBot can be programmed via Blockly.