Eco friendly stacking blocks with a sensory difference! With each block containing a rattle sound inside, little ones will be met with a delightful new surprise every time they pick up one of the blocks. Plus, these sensory learning toys have textured patterns on the side making them an ideal choice for tactile exploration. The different shapes and colours of the bio blocks inspire little ones to play their own way. , , It also helps children to improve hand/eye coordination, concentration and dexterity as busy little hands build, stack and roll the shapes. This product is part of our new ECO Range created using bio-plastic.