Inspired By The Classic Fisher-Price Rock-A-Stack Ring Stacking Toy, This Wobbly Drop-Through Activity Toy Introduces Your Baby To The Fun Of Cause And Effect! The Drop Through Rock-A-Stack Comes With 5 Colorful Rings For Little Ones To Slot Through The Top Or Side Of The Maze And Watch As They Roll Down, Around, And Out The Bottom. For Added Cause & Effect Fun, The Maze Features A Wibbly-Wobbly Base, Just Like The Original Rock-A-Stack Toy! Colors And Decorations May Vary.