Improve intelligence: Help children learn reasoning, including mathematics, reasoning, scientific analysis and creativity, let children use their imagination, and constantly update during assembly.Granular building blocks: Minimal mic bricks in five characteristics of children can improve; sensitivity, coordination, handson ability, thinking ability, imaginationEnvironmental protection: This building is made of environmental protection materials to ensure safety. These components stabilize the overall volume of the structure, more movable components are easy to useBeautiful gift: The best DIY gift, fashion, cute, cool original color box function is perfect gift, suitable for the birthday present for friends and family.Nanobacches are a building product that can make the most complex model using unique minor blocks. This microblock represents the value of high collectors, represents extensive taste and age. The size of the standard construction block is only onethird of it, and the details of the project must be believed.specificationMaterial: ABS plastic / nontoxicPlastic classification:ABS plastic with building blocks: small particlesProduct size: as shownApplicable age: Minors (7-14 years old)Product List:Personal building blocks 1