These sturdy multicolor foam dice are quiet, safe, and have rounded corners for easy rolling. Each die has a unique time-telling method such as the analog clock, digital clock, time expressed in colloquial language, and time expressed in standard language. Details: Multiple Representation Time Dice design 6.25 x 6.25 x 8.5 Set of 16 Storage tote included Foam, plastic For ages 5 and up