The watermill is a combination of stone and wood. The mill itself is made of brick and the water wheel is made of wood. The wheel is rotatably mounted. Everything required for construction is included in delivery: trowel, mortar, mortar bowl, bricks, and detailed building instructions. Playing with Teifoc products promotes fine motor skills as well as logical and spatial thinking. This product is suitable for children from 6 years old and is completely harmless thanks to 100% natural materials.