Features: Heart shaped RGBs LED soldering kit with 32 vibrantly LEDs offers hands on STEM learning and creative decoration for electronics enthusiasts through customizable color pattern. Features a quality plastic frame with pre space soldering boards, enabling effortless assembly and bright color changing effects for mesmerizing rainbow light displays. Designs for students, educators, and DIY hobbyists to professional soldering techniques while creating functional art piece during STEM workshops or home electronics practice. Perfect for classroom demonstrations, STEM club activity, or crafting personalizing glowing gift for Valentines Day, Mother Day, and educational celebration. Combines practical circuitry training with artistic expression – the completed heart shaped LED project serves as both a skill building tool and eye catching room decor. Specifications: Component: Plastic Color: As pictures shown, colorful LED light Size: 8.8x7.8cm/3.46x3.07in Power Supply: 2pcsAAAbatteries(not included) Package Includes: 1 set 32 LED Heart Shape Soldering Kit note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.