6 m+ infant to toddler. 5 sides to discover! Develops fine motor. Sensory. Problem solving. Where development comes into play. Fine Motor: Grasping, stacking & nesting the blocks builds up baby's hand-eye coordination! Sensory: All of the fun textures, colors & happy faces on each block make baby's senses go wild! Problem Solving: Stacking & nesting blocks from biggest to smallest helps to develop baby's problem solving skills. Most loved and trusted by moms (based on a 2015 survey of 1,545 moms in the US, Russia and China). Hi there! Thanks for making it over to the side! And, thanks for choosing our toys to help inspire & encourage your child to play & grow. Your Fisher-Price family. Colors and decorations may vary. Conform to the safety requirements of ASTM F963. Consumer Assistance: 1-800-432-5437 (USA & Canada). 1300-135-312 (Australia). Service.fisher-price.com. CE listed. Stay in touch! Facebook, YouTube. Instagram fisher-price.com. Made in China.