Prior to any activity, the teacher or the children may wish to select the appropriate cards for the particular topic they are working on and put them in a pile. This brainbox maths pack contains 120 brainbox cards specifically written for the new national curriculum maths syllabus. Contents: 2 dice 2 sandtimers 120 cards. 1 or more players. For ages 9 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. This toy does not provide protection.