Sassy Stacks of Circles Stacking Ring STEM Learning Toy, 9 Piece Set, Age 6+ Months Brand Sassy Age Range (Description) 6 - 24 Months Theme Learning Toy Number of Pieces 9 Educational Objective Hand-Eye Coordination, Sorting Skills, Motor Skills, STEM Item Dimensions LxWxH 4.25 x 4.25 x 8 inches About this item Straight post accepts different sized rings, strengthening hand-eye coordination Chunky rings make it easy for baby to grasp, strengthening fine motor skills Each ring features a different texture and weight; Textural variety is great for mouthing! Colorful beads in the clear ring allowing baby to connect the sound to sight 9 piece set Manufacturer Age: 6 to 24 months