A 3D puzzle for young children with 4 big, sturdy wooden blocks. Is the rabbit looking through the round hole or through the star-shaped one? Is it standing on top of the Yellow, the Red or the Blue block? The blocks can be combined in many different ways, more than you would imagine. Children will discover the world of 3D spatial perception, an important skill in reading and mathematical reasoning. Children can solve the 60 challenges or just play with it as a wooden toy to explore concepts like above/below, inside/outside, visible/hidden, etc.