Use the dice for various activities to practise arithmetic operations with positive and negative numbers and to increase insight into number structures.-Contents:<BR>transparent plastic box (10 x 6 x 3.5 cm)8 white plastic dice (2.2 cm):<BR>- 4 x -2, -4, 6, 1, 3 and 5<BR>- 4 x 2, 4, 6, 1, 3 and 5-