IS Icstation Electronic DIY Soldering Practice Assemble Kit Tilt Ball Hourglass Variable Speed LED Flashing Lights Set Blue

This a beautiful LED hourglass DIY kit that fun to assemble and nice to look. With simple circuit design and PDF instruction provided, it is easy to assemble and perfect for school basic electronics experiment projects too. It is not only a parts kit for practicing welding skills, but also a funny decoration for you. You are free to download the instruction in the product information section on this page. If you have any question, ask on this page or feel free to contact us.(click icstation at the cart and then click "ask a question") Parameters Power Supply Voltage?3.3-5V Module Size(assembled): 74.4X43.7X24mm/ 2.93X1.72X0.94inch(L*W) Tools you need 1.Iron(30w) 2.Solder wire 3.Multimeter 4.Tweezers 5.Wire cutters Precautions 1.Check part values and quantities against part list 2.Always meter resistor values before soldering 3.Understand all part polarities and orientations