This product is a DIY electric circuit kit, made of solid materials, safe and . It can last for a long time without being easily . The product is a practical Scientific experimental lamp that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Green -Material:Plastic -Size:5.00X5.00X0.10cm/1.97X1.97X0.04in -This DIY electric circuit kit includes all the necessary components to assemble an electronic lucky draw wheel with flowing lights. -The versatile design of this Diy Science Technology Plaything kit allows it to be used for a variety of games, such as guessing games, electronic , sweepstake machines, and more. -The precise led outputs of this Draw Wheel are controlled by chips, ensuring accurate and reliable performance. -The DIY Electrical Circuit can be controlled through buttons or by shaking it, adding an element of excitement and unpredictability to your games. -Assembling this Science Experiment Kit requires soldering and professional knowledge and training experience, making it a great opportunity for practicing and improving your skills. Package list: 1 x set of DIY electric circuit kit