Kid O Rounded Stackers Toy A classic first stacker for an infant, this brightly colored toy is designed to delight and provide hours of active entertainment The pleasing round shape of the pieces, smooth with no sharp edges are designed to fit together well and build a tower almost 8 inches tall Helps develop motor skills, dexterity, shape recognition, spatial relations and sequencing Made from the highest quality ABS, the parts are easy to hold, stack and take apart; it's easy to clean and dishwasher safe For ages 18 months +