Sassy Stacks of Circles Stacking Ring STEM Learning Toy, Age 6+ Months, Multi, 9 Piece Set

Amazon.com Price:  $8.99 (as of 24/04/2023 04:18 PST- Details)

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!