A building and sorting game where every top searches for its bottom. Sourced from sustainably managed forests in Europe. All colours and oils, used are certified in accordance with the EN 71 and CPSIA/ASTM 963 standards. They are non-toxic water-based colour stain & non-toxic plant-based oil finish. Each mushroom measures approximately 5.7cm tall. For care, use soapy water with a damp cloth for cleaning. Dry immediately. Please do not submerge in water and do not use disinfectant or hot water. Includes 12 wooden pieces. Ages 3 and up.