Jumbo 12-sided dice/manipulative to reinforce elapsed time skills. Contains 4 dice: yellow pair used as am hours. : (1) yellow with blue numbers 1-12 to designate hours. (1) yellow with red numbers: 00 -: 55 to designate minutes. White pair used as PM hours: (1) white with blue numbers 1-12 to designate hours. (1) white with red numbers: 00 -: 55 to designate minutes.