Features: Illuminate your children playtimes with our sensory integration river stone featuring attention grabbing led rainbow lights, perfect for enhancing balance and coordination. This set includes stepping stone of varying sizes, designed to offer a multitude of training configurations for progressive skill development. Suit for children aged 3 and above, these sensory balance rock are especially beneficial for those seeking to improve their proprioceptive abilities and motor skills. Versatile for both indoor and outdoor use, these sensory stepping stone can transform any space into an engaging obstacle course. Foster a fun and stimulating learning environment with our educational toy that promotes active play and supports sports education programs. Specifications: Component:Plastic Size: Stone:Approx.22x22x6.5cm/8.66x8.66x2.55inch Box:Approx..22x22x17.5cm/8.66x8.66x6.88inch Package Includes: 1 Box Stepping Stone note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.