Learning Resources Ten-Sided Dice in Dice (Set of 72). Have twice the fun with double the dice! Colourful dice in dice allow for double the probability fun through hands-on maths activities. Great for teaching a variety of mathematical concepts including probability, statistics, predictions, numbers and operations. Ten-sides reinforce advanced probability concepts. Outer dice measure 2cm. Includes handy plastic storage tub. Set of 72. Suitable for ages 3+.