2026 3D Christmas Tree DIY Kit Welding Free Colorful LED Flashing Electronic Fun Practice assembly kit Handmade Holiday Ornament

Product Features:1. Welding free assembly design, no need for welding, easy to assemble and build three-dimensional Christmas tree models by hand2. Colorful flashing LED beads, 37 colored lights work together to emit light, creating a dazzling and atmospheric atmosphere3. Dual power supply mode is optional, powered by USB or three AA batteries, suitable for various usage environments4. Complete precision screw and nut accessories, aluminum connectors paired with circuit boards, stable and reliable assembly structure5. Electronic DIY Fun Training Kit, suitable for electronic teaching training, holiday handmade creation, and ornament makingProduct Parameters:Working voltage: 4.5-5V DCLuminous color: ColorfulPower supply method: USB or 3 AA batteries (note: batteries are not included in the shipment)Finished product size: approximately 76 * 183mmNotes:① Check the part values and quantities against the parts list② Understand the polarity and orientation of all parts③ Bend the LED pins and connectors at a right angleProduct List:LED beads 5mm color flashing * 37 piecesScrew M2 × 4 (horizontal installation) * 82 piecesScrew M2 × 6 (vertical installation) * 20 piecesNuts M2 * 102 piecesConnectors 1 mm thick aluminum parts No. 1 * 4 piecesConnectors 1 mm thick aluminum parts No. 2 * 4 pieces3 AA battery packs * 1 piece (note: batteries are not included in the shipment)USB to 3.5mm DC power cord * 1 pieceAST-4A circuit board * 1 pieceAST-4B circuit board * 1 pieceAST-4C circuit board * 1 pieceAST-4D circuit board * 1 piece