This set includes three Original Slinky brand spring toys. The Original Slinky is a classic toy designed to inspire creativity in children. When in motion, it produces its distinctive "slinkity" sound, which adds an auditory element to play and learning. Measuring 2.75 inches in diameter, the Slinky fits comfortably in hand, encouraging hands-on exploration and imaginative play. It offers versatile entertainment, from stretching and wiggling to walking down stairs. For expanded play options, additional Slinky toys in different sizes and materials can be added (sold separately). Recommended for ages 5 and up.