Features: Commonly used teaching aids in kindergartens, easy to operate, just twist the pointer on the disc to adjust the for time. Sticker crafts, brilliant colors, clock toys can stimulate children's interest in cognition of for time. Environmentally friendly wood, not easy to be deformed and cracked, finely polished, unpainted, smooth and burr-free, non-toxic and odorless, care for baby's hands. Help children establish for time awareness, self-discipline awareness, and establish good thinking patterns and behavior habits. Learning style learning clock toy will help children to learn how to tell and understand the for time! Specifications: Color:Colorful Material:Wooden Diameter:11cm/4.33in Thickness:5mm/0.20in Package Includes: 1 x Clock Cognitive Toy note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!