... and non-toxic. quantity:100pcs weight:1.6kgs building block : 1.material: beech wood. eco-friendly renewable ... ICTI,FSC,EN71,ASTM963,ST, ISO9001 9.suitable for age:3years old+10.MOQ:1000Setsproduct advantages: 1 ... can enhance children's intelligence by put the block, and enhance coordination skill of child's ... patent,own brand and designer.many items for your choice.Products update faster,stryle trends ...