IMPROVE BALANCE: Developing your kids' coordination is important, these kids balance stepping stones will establish their abilities to balance themselves. STACKABLE DESIGN: The bottom of these kids stepping stones are hollow, making them stackable and very space-saving. They can be stored anywhere you want and are easy to take out at any time. ANTI-SLIP TOY: Each balance stepping stone is equipped with a non-slip mat underneath (to be installed by yourself) and a textured surface on top. Even on smooth floors, it gives resistance to ensure that children play in a safe manner. DURABLE CONSTRUCTION: High density plastic ensures safety during fun. These kids garden toys can bear up to 80kg of weight. DIMENSIONS: Small: 4H x 23L x 23Wcm. Medium: 7.5H x 33L x 33Wcm. Big: 16H x 36.5L x 36.5Wcm. Large: 20H x 40.5L x 40.5Wcm. Suitable for ages 3-8 years. ASSEMBLY REQUIRED.