The Sky's the Limit! Unlock a rainbow of creativity with the Ritzy Rainbow™ stacking toy. Featuring five flexible arches in assorted colors and sizes, this toy helps baby develop hand-eye coordination, cognitive reasoning, and fine motor skills as they stack, nest, sort, and play. 5 arches for stacking & nesting.- Made of TPE - soft, flexible plastic material.- 5 arches for stacking & nesting.- Helps develop hand-eye coordination.- Early learning STEAM toy.- Hand wash with mild soap.