Sometimes it's necessary to go over and above to make the greatest impact! These 12 wooden High Level Blocks allow a Bigjigs railway network to be expanded upwards, making them especially suitable where floor space is tight Made from high quality, responsibly sourced materials. Dimensions; Length: 5.5cm, Width: 3.5cm, Height: 6.6cm Suitable from 3+ years. Product Code: BJT053-1