【Crawling Toy】: This wooden rolling drum wheel toy designed for the baby crawling stage, not only develops motor movement, but also visual sensory, and encourages early learning.【Holiday Gift】: Roller Rattle is suitable for ages 3 years old and up, the great gift for birthday, new year, and more.【Material】: Montessori Wooden Hand Rattle is made of wooden, smooth surface, no burrs, solid wood, handpainted.【Easy to Grip】: Ball cylinder rolling drum toy, 2.76''x2.95'' in size, allows them to easily grip and imagine.【Sensory Development】:Wooden Rattle Roller toy can cultivate the baby's awareness of views, and the colorful colors cultivate the baby's sense of color.