Jumbo 12 sided dice are great to reinforce elapsed time skills. Roll both pairs of jumbo 12 sided dice and calculate the elapsed time between the to. The yellow pair is used as AM hours the yellow dice with blue numbers 1-12 designates hours, and the yellow dice with red numbers :00 - :55 designates minutes. The white pair is used as PM hours: the white dice with blue numbers 1-12 designates hours, and the white dice with red numbers :00 - :55 designates minutes. Each set contains 4 dice. Sold as 2 Dice Games.Details: Multicolor4" x 4"Time Skills ManipulativeJumbo 12-sided dice/manipulativesTime Dice to reinforce and teach Elapsed Time Skills2 pack of 4