We saw this toy in a toy store while traveling in Germany. This is a set of pyramid shapes that fit together. My 5 year old and 1.5 year old really enjoyed setting up the different pieces in different ways to create the shapes. Gave it to my oldest for her 5th birthday and she plays with it regularly. There are pictures on the box that give an idea of the different ways to manipulate the pieces, most of the instructions are in Japanese but you don't need them to put the puzzle together. I would recommend!
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