RGB Colorful Flowing Water Light Heart-shaped DIY Soldering Kit Love LED Circuit Board Welding School Welding DIY Practice Board The products which are suitable for electronic enthusiasts to study and repair circuits. We only guarantee that the products are in good condition before delivery, and cannot guarantee 100% success after installation. The installation of the circuit requires the buyer to have experience in the circuit, please read the product description carefully before payment. Batteries are not included in the accessories 32 LED Multicolor / Red Love heart kit Product Name: Microcontroller Love heart Kit (32 LED) Product model: BA-88 Shipping method: DIY bulk shipment Number of lamp beads: 32 5mm LEDs Lamp bead color: colorful LED or red LED Single chip microcomputer: 89C51 or 89C52 Material: FR-4 circuit board, electronic accessories, transparent plastic shell Power supply method: 2 No. 7 batteries (shipped without batteries) Finished product size: width 9cm, height 7.6cm, thickness 1.9cm+1.1cm 25 LED Multicolor Love heart kit Product Name: Microcontroller Love heart Kit (25 LED) Product model: BA-66 Shipping method: DIY bulk shipment Number of lamp beads: 25 5mm LED Lamp bead color: seven color LED Microcontroller: 15W404AS or 15W408AS Material: FR-4 circuit board, electronic accessories, transparent plastic shell Power supply method: 2 No. 7 batteries (shipped without batteries) Finished product size: 9cm high, 7.6cm high, 1.9cm+1.1cm thick _x000D_