Encourage children's imagination as they mix, match and create an illuminated construction. Designed to encourage creativity and develop fine motor skills children will choose from 121 plastic pieces including colourful gears, flashing lights, glow-in-the-dark stickers and springs. Problem solving skills are also reinforced. Can be used alongside other Gears! Gears! Gears! sets. Requires 3 AA batteries (not included). Suitable for ages 4+