Support model:AppIe Watch Series 5/4/3/2/1,Samsung Galaxy Watch 22mm 46mm. Made of high-quality nylon material, it is waterproof, scratch-resistant and durable for optimum comfort. Rugged and easy to disassemble, it can be quickly and easily adjusted to fit your wrist size.
Electronics blocks which you can connect to build diy/robotics projects Play with various sensors, light, sound, motors and and build awesome stuff Most preferred educational kit for young innovators