Colorful balance stone improves sansekoordinationen. Set with six parts, easy to stack past, the laws store. Structured surface past, the laws slip edges lining increased security. Portable design to use both indoor past, the laws outdoor. Suitable to children in ages 3-8 year. Easy to install. Technical data: color: multicolor. Material: plastic, tpr. Little size: 21,5 x 21,5 x 4 cm l x b x h . Medium size: 29 x 29 x 8,5 cm l x b x h . Large size: 34,3 x 34,3 x 5,5 cm l x b x h . Additional large: 37 x 37 x 19 cm l x b x h . Registered age: 3-8 year. Maximum load: 80 kg. Package contains: 11 x balance stone. 1 X instructions.