Riverstones Nordic Set of 6Riverstones Nordic Set of 6 Stepping stones to better coordination, balance and fun. The River Stones are inspired by stepping stones in a river with each side of the triangle varying in steepness and difficulty. The purpose is to jump from stone to stone without touching the floor you can vary the position of the stones to create more challenging paths for children. Suitable for children aged 2+ years. Each Riverstone has a rubber rim on the base