Stack and balance, create new and exciting structures. A creative addition to block building as children incorporate arches and tunnels in their block play. Open-ended set of curved blocks. Stack together and use them on their own or enhance block play by combining with sets of unit blocks. Rounded edges and sanded smooth surfaces. Note: Not suitable to be stored outdoors.Encourages fine motor skillsSupports spatial sequencingInspires imaginative playSet includes 10 pieces: 2 tunnels and 8 archesAge Suitability: 3 years +