Recommended age: +2 years. Box size: 21x6x7cm. Psychopedagogical aspects: Memory, Reasoning, Spatial vision, Eye-hand coordination, Manual ability, Spatial orientation, Stream. With this game, children improve their motor skills, so necessary in practical life. It has 4 screws, 4 nuts and 2 reversible templates to learn to screw in a fun way. The game can be played with one or both sides of the template in mind.