Fire the imaginations of budding explorers and future environmentalists with the new National Geographic Kids magazine.

It gives seven to 11-year-olds a fun way to learn about everything from animal conservation to ancient civilisations, and science to outer space.

National Geographic Kids is offering 10 readers the chance to win a subscription for the coming year (worth pound;35.88 each). All readers can get a 40 per cent saving on the regular subscription price. Order before March 31, and pay just pound;19.99 for 12 issues. Call 0870 423 0684 and quote code NGK12 or visit www.ngkids.co.uk.

Email treats@tes.co.uk or write (postcards only) to Treats, TES Magazine, Admiral House, 66-68 East Smithfield, London E1W 1BX, marking your entry “Geographic”. The first entries picked out are the winners.

By sending us your name and address, you agree to The TES sending you this prize. The TES will not use your personal details for any other future communications. The closing date for entries is December 21.

Unwanted Christmas gifts? Or have you got anything you want to sell? If you are a teacher, advertise here for free. Email details to buyitsellit@tes.co.uk