These silicone stacking number blocks will become a favorite with your child. Comes in a reusable storage bag in sets of 12. They will grow with your child; babies can use them as teething or stacking toys. The soft silicone makes it easy for the little hands to handle. As they grow, this can be used for colour recognitions. Each side of the block has a number, a +or- sign and different pattern textures which they can used to stamp on sands.