Zip - zip. That's how easily the zipper on the jacket opens. And all the other real fasteners too: the snap buttons on the sweater, the bow on the shoe, the Velcro on the cap, and the snap closure on the backpack. All children can join in. Especially exciting: the fasteners close the sides. That means: Open up. The next picture appears. This is how children playfully train their motor skills, which they need to dress themselves.