Stimulate creativity, imagination and ingenuity, developing fine psychomotor skills, spatial vision, concentration and perseverance. Pieces are stackable and interconnected, which allows the game to be adapted to the developing progress of each kid. Includes a guide with 40 activities great for different educational levels. Made of eco-friendly material and are designed to have great durability, resistance and hygiene. You can even use the dishwasher! Beams measure 14cm long.