Wonderful Mouse puzzle that anticipate! Toll is definitely on the puzzles that they sometimes other forms than classic puzzles, so there are also round, semicircular, puzzles with more than 4 notches etc. and thus the child puzzles even after repeated still calling. Only when the puzzles are completed, they no longer fit in the trunk, which is then called again disassemble and stow the place my daughter (2.5) often not so great. All four Puzzles have a different back and are easy to separate for children. However, we have packaged all 4 puzzles in different Stoffbeutelchen, so they are not all unsorted. My Short is also still a little smaller ...