Stacking toys present the most simple task in an engaging way that entertains young minds over and again. Both babies and toddlers love stacking and even adults can find these toys entertaining as well, as there is simply something so satisfying about stacking. Chew and play with our new stackable cup teether! Your baby will love chewing on the soft, different textures while engaging their hand-eye coordination by stacking the cups. As well as being lots of fun to play with this stacker is great for improving your child's coordination and motor skills. It is 100% silicone and not only is it wonderfully soft to the touch, it does not support the growth of mold, fungus or bacteria. Can be popped in the freezer to get cold for them teething little ones. Can be used as bath toy's. FEATURES - Made from 100% food grade silicone - Free of BPA - Free of PVC - Free of phthalates, lead and cadmium - Safety tested S A F E T Y : - Never leave your baby unattended with these or any teethers. - Always check this item before each use. C A R E : - Can be sterilized at high temperature. (Made of heat-resistant material.) - Can be clean with a cloth, soap and water.