Bigjigs is a family-run business committed to producing quality, safe and affordable toys. Their products are responsibly sourced and complement childhood development through creativity, fun and learning. Build a colourful wooden Marble Run and watch in delight as the marbles roll down from the top to bottom! Supplied with a variety of wooden pieces to create lots of different designs. Perfect for creative play sessions Made from high quality, responsibly sourced materials. Dimensions; Length: 3.5cm, Width: 3.5cm, Height: 20cm Suitable from 3+ years.