This extension bag contains 4 strips of heat resistance electric tape. This tape can be used for many things but in this case it is
This small set is designed for fixing circuit connection problems. It contains 15 wire pins, 4 pieces of heat resistant foam tape, 4 nail clips
This small DIY Fan set is designed for hot weathers. In summer, you can bring this device anywhere you want and you can just switch
This battery holder holds 4 AA batteries. It gives 6v of electricity. Price: 10RMB per piece.
This Beginners Set includes: 1x 10cm Wire, 2x 3cm Wire, 1x Battery Holder(4x AA), 2x Motors and 2x Switch. This multi bulk cost 35RMB every