Here is another STEM kit that introduce your kids to technology and engineering concepts. The Circuit Cubes Gears Go comes with over 200 parts and various cubes to add power, light and motion to your builds. You can use this kit to build Mountaineer, Scout, Traction, and other vehicles and control them with your smartphone.
These vehicles are compatible with LEGO-style bricks. The kit comes with instructions to build 16 different vehicles. This particular set ships with a Bluetooth battery cube, 2 cubit motors, a motor cube, and a RGB light cube. You can find out more about it here.