Replacement Blue Donut Ring For Fisher-Price Stacking Rings Toy Rock-A-Stack.

The Blue Ring is the bottom ring on the 2004, Five Ring Stacking Toy.  It is the 1st ring to go on and is followed by the green ring.  It measures approximately 2 1/4" across the center hole and is 4 3/4" across at its widest.  Ring is in very good pre-owned condition. There are no dents or indentations, cuts, or blemishes.

Thanks for looking!