1.Take apart the different colors and put them back again. It is a create way to teach your child manual ability. Different design oferaserto collect. 2. Environmentally friendly shaped erasers 1) Recyclable 2) Non-toxic lead-free safe material 3) Non-PVC releases no toxic fume 4) Subject tointernational standard. 3.Customize different designis available. Packing: Blister card, oppbag,color box,bulk pack.