Age : From 1 year old * Fabrics : Recycled rubbertree wood * Composition : Planwood: ground rubber tree roots, mixed with sawdust and stuck together with non-toxic E-Zero glue to make a modelling dough * Cube(s): 3,5 x 3,5 x 3,5 cm. * Details : Comes in a cotton canvas bag * FSC certificate, ISO9001, ISO14001, OHSAS18001, SA8000 certificates