The London Model Engineering Exhibition will give children the chance to build and fly their own aircraft and ask experts questions about a steam model railway.
The UK Rocketry Association will also be at the show, as will the UK Tank Club, which will be giving youngsters the chance to drive a model tank.
The show is taking place from January 19 to 21 at Alexandra Palace, London.
Discounts are available for school parties by quoting TESLMEE07 at the box office.
* See www.londonmodelengineeringexhibition.co.uk or telephone 01926 614101