Your Number's Up is a fast-paced number game of addition and subtraction for 2 to 6 players. Score as many points as possible by completing simple sums. The first player lays a number card down and subsequent players until a player has completed the sum. The player completing the sum takes the three cards as their reward and starts the next round. . . Sound easy? Well maybe! What happens if you cannot complete the sum? You have to pick up a spare card and wait for your next turn! This game can be played by people with different levels of ability and with our own testing we found some people with more strategic minds than others! It is a great teaching aid to help children with their number bonds and learning their sums. For younger children you can play this game using only the cards numbered 1-10, for older children use all the cards. Play together, learn together. 2 or more players. For ages 4years and over. Lifetime manufacturer's guarantee. EAN 5025822400103. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. This toy does not provide protection.