Power your miniature dollhouse projects with this versatile 3V Button Cell Battery Holder Kit. Featuring a convenient push-button on/off switch, the kit includes 5 pre-assembled 3528 LEDs, shrink tubing in 1/16" and 1/32" diameters for secure wire connections, and everything needed to create custom lighting effects. Choose between bright white or warm white light to match your décor. The CR2032 battery (sold separately) powers the system, and you can expand up to 10 total lights by connecting additional 3V LEDs. Perfect for adding realistic illumination to miniature rooms, displays, and architectural models.