The 24 Game single digits pocket pack featured in the Mathematics Extra on May 24 1996 ("Catch 24 starts to add up") is now available. The object of this game for ages eight upwards is to make 24 by adding, subtracting, multiplying and dividing. Three levels of difficulty and 48 card combinations are designed to "build fast minds". It costs pound;5.49 + pamp;p from SummuS, which also produces a classroom version for pound;19.99 + pamp;p.
Details: SummuS, 21-23 Clifton Road, Rugby, Warwickshire CV21 3PY, tel: 01788 551441; fax: 01788 551270