Small Fabrication Kit: Optical Fiber Lamp Do you know what optical fiber lamp is? Fiber-optic lamps and lanterns are energy-saving, artistic shape of the new type of lamps. It integrates high...
Small production: homemade traffic lights
Baby material: wood+battery box+electronic components+red, yellow and green LED lights
The little kit is so great! Now it is changed to mosaic type, and the...