Concrete mixer developmental puzzle

The game is a tablet A5 format and consists of a frame and 15 elements that form the image of the object, which is required to collect from a set of fragments of the picture of different shapes. Such miracle pictures contribute to the development of figurative and logical thinking, random attention, perception, in particular, the distinction of individual elements by colour, shape, size, teaches the correct perception of the relationship between the part and the whole, develops fine motor skills. Material: plywood 3 mm.