Smooth, domed shapes to stack, balance, roll and explore. Develop fine motor skills. Carefully crafted wooden resources shaped to make delightful pebbles. An open-ended resource to engage children's interests. Subtle colours lending themselves to sorting as well as small world activities. Includes: 4 x 60mm, 8 x 90mm, 4 x 110mm and 2 x 150mm Pebbles.