Grimm's | Building Set AmmoniteThe Grimms Ammonite building set comes in a wooden frame and is both a stunning building set and a sturdy snail shaped puzzle. Enjoy combining this versatile piece with its graceful, abstract shapes along with other Grimms building blocks to be used in everyday block & construction play and also for simple stacking and sorting activities. This Creative Puzzle is a shape puzzle and building block set in one. It will be played with throughout childhood