... 3.Factory FSC,ICTI certified Detailed Product Description: Number block sort box wooden toys education (WZ-0040) material: ... printingpackaging: shrink wrapcertificate: EN71,ASTMProduct Features: product nameNumber block sort box wooden toys education material:plywood+mdfsize:20* ... hands.sorting box help children to know the block.recognize different geometric figures:rectangle,square,triangle,cylinder, ...