1.Perfect Gift- It is the perfect decorative light for your home. Ideal gift for Children's Day, Valentine's Day, Halloween and Christmas decorations etc. Fun and conducive to creativity in a way no other desk lamp or lamp can. 2.Different Combinations and DIY Toys- Interlocking LED modules can be assembled arbitrarily. A great decorative light and a great toy for Tetris fans and kids. You can DIY decorate your lights, assemble them into different shapes or stick any decorative stickers you like. 3.Usage- Widely used in various environments as decorative lights for home, bedroom, children's room, living room, bar, shop, cafe, restaurant, party, club and any place you like 4.Auto Lighting- When the block lights are stacked together, the LED lights up; when the blocks are disassembled, the lights turn off. As long as the main building block is powered on/on, the other building block savings can light up. 5.Feel the charm of the game Decorate with glowing blocks, let you feel the classic games of decades again.