- "Six-Piece Balance Stepping Stones Stackable Non-slip Obstacle Course Outsunny" - Description: - "IMPROVE BALANCE: Developing your kids' coordination is important, these 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.