Geometric shapes puzzles - square, circle, triangle

The Geometric shapes puzzles - square, circle, triangle consists of a rectangular birch frame, with "soft" rounded corners, on which the three basic geometric shapes are carved. The joint makes it possible to insert: a circle, a square and an equilateral triangle in wood, in the corresponding reference frame. The three shapes are equipped with a knob to facilitate manipulation and the right finger movement for starting to write. Being able to observe and touch the shapes and the relative outline stimulates the tactile-muscular sense and helps the eye to perceive the shapes. Playing allows self-correction, finding the right position encourages the development of attention and concentration.