4842pcs Architecture Diamond Building Blocks Snow Ice Frozen Castle Palace Blocks Bricks With Led Light Toys for Children Gifts
Features：
1. Cultivate childrens spatial imagination ability.
2. Train childrens concentration.
3. Cultivate childrens hand-brain coordination.
4. Cultivate childrens patience.
5. Can cultivate childrens creativity and develop childrens inligence.
6. It can reduce the time for children to play with electronic products and reduce the harm of electronic products to children.
