Promotes balance past, the laws motor skills with colorfully design. 11-Delt set, stackable lining easy storage. Slip edge past, the laws structured surface lining sure play. Suitable to both indoor past, the laws outdoor use, notebook. To children in ages 3 to 8 year, easy to mount. Technical data: color: multicolor material: pp, tpe small stone: 23 x 20,5 x 4 cm l x b x h medium stone: 26,5 x 24 x 8 cm l x b x h great stone: 34 x 37,5 x 15 cm l x b x h additional great stone: 42 x 39 x 20 cm l x b x h certified age: 3 year registered age: 3-8 year maximum load: 80 kg package contains: 11 x stepping stones 1 x manual