Viking Toys are strong, sanitary and simple. They are made of soft, pliable plastic with no sharp edges. There is nothing that can break or pull off. Therefore, they are highly suitable for all children from 12 months of age and higher. The materials and construction used meets all American and European safety standards. They are very strong and can withstand 220 pounds of force (100 kg). To clean them you just have to put them on the top rack of your dishwasher. Viking Toys have colorful, bold shapes which will stimulate your little ones and last forever while being very easy to clean and maintain.