... , you can see the photo, in the color box, there is a fixed size hole in pvx bubble board, to place the ... kids no more than 1.5m, and they always sit or crouch, so it is ok if drop the toy uncarefully.2.how much is ... it?really, this question is not easy to reply, because we have many different designs, like 9pcs a set, 11pcs a set,13pcs a ...