Those of our readers who like models should note that the 41st Model Engineer Exhibition takes place at Seymour Hall, London, W1, from January 4th to 15th, Sunday excepted. It opens at 2.30 p.m., remaining open on other days from 10 a.m. to 9 p.m., except for the last day, when the doors close at 7 p.m. Admission is 25p, children 15p, accompanied under-5s free. Cheaper pre-booked tickets are available from the organisers MAP Ltd., 13/35 Bridge Street, Hemel Hempstead, Herts. A steam passenger train, flying displays of electric model aeroplanes, a big boat pond and war games in action are amongst the attractions.