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.