Fisher-Price Giant Rock-a-Stack, 14-Inch Tall stacking toy, GJW15 & Baby's First Blocks, Set of 10 Blocks for Classic Stacking and Sorting Play for Baby & Infants, Ages 6 Months+, FFC84 : Amazon.co.uk:
Stacking Rings, 6 Pcs, Age 6+ Months, Stacking Toys, Baby Stacking Toys, Stacking Rings Baby Toy, Ring Stacker | Fruugo UK