This kit meets the needs of DIY enthusiasts who enjoy hands-on projects. The flowing light effect created by the 555 timer and 4017 ICs adds a to your creations. Whether you're a beginner or an experienced hobbyist, this kit offers a rewarding and educational experience. Features -Color:Assorted Color -Material:Plastic -Size:10.00X8.00X0.20cm/3.93X3.14X0.08in -Diy learning kit: this kit provides a comprehensive diy learning experience, ideal for those interested in electronics and soldering -Adjustable lighting: diy the led flow speed to achieve the desired lighting effect, making your project unique -Skill building: enhance your soldering skills and gain practical experience by assembling this kit, suitable for both beginners and experienced users -Userfriendly soldering: the large solder pads are designed to make the soldering process more accessible and successful -Vibrant light display: the red and yellow leds create a dynamic explosion light effect, adding a visually appealing element to your project Package list: 1 x Soldering Project Kit