This wood clock features colorful shaped numbers, perfect for learning to tell time.  Place the colorful numbered shape pieces in their proper places on the face of the soundly-built clock, and move the hour and minute hands to make learning time fun.  Measures 9" x 5".
—As of 10.25.2010, this product had 4.5 out of 5 stars from 91 reviews on Amazon.com and was No. 15 on the top 100 best-selling toys and games. PROS:  Durable, encourages learning.  CONS:  Some versions have a pentagon with 6 sides, and a hexagon with 5 sides.