Upgraded Sticky Back Coins
This busy book is made of the high quality safety materials and has been upgraded with a new version. The sticky back coins is 0.6 inches, it is more sticky and stronger than before, so it wont fall and be lost.
In addition, the upgraded sticky back coins size is easier to pick and stick, you and your baby kids wont be bothered by the small size anymore, the size can meet the needs of you and your child to play with.