Foot Massager Shiatsu Deep Kneading Massage Machine Foot Massager Plantar Fasciitis Feet Massager Heat Rolling Air Compression 70 non-toxic EVA foam block set. Soft, yet firm! Comes in different shapes such as square, triangle, cylinder etc. Different types of blocks contain different learning values such as basica arithmetic, alphabet, numbers, animals etc. Children can also learn, and aquire knowledge about three dimensional spaceing Blocks are waterproof, meaning children can play with them during bathtime and in the tub Conforms to US saftey standard CPSIA, ASTM and European saftey standard EN71