Plush rainbow stacker from Melissa and Doug is a soft stacking ring toy for baby. Each ring has a different sound to stimulate little ones: 5 rings with various textures that each of which rattle, jingle, squeak or crinkle, in addition to a color-coded stacking post. Rings are constructed of high quality velour and corduroy, and are machine washable. The rainbow stacker measures:6.5" x 12" x 6.5". For ages 9 months and up.