Magnetism has an irresistible attraction to children. SmartMax lets them discover this fascinating world in a safe way. The mega-sized elements are ideal for young children. Attracting and repelling magnets is a game in itself and makes for a real 'aha' experience for the little ones. Older children will have maximum fun building towers, bridges and other large structures. Basic set 42-piece set containing 12 long bars 12 cm, 18 short bars 7 cm and 12 spheres (diam. 4 cm) including booklet with examples