Congratulations to the following teams who were picked (at random) from among those submitting a correct solution to Challenges 3A and 4A. Each winning team will (eventually) gets a cheque for £25. Watch out for an email from us asking you for details. Challenge 3 Part A Winners Scott Tancock, Jamie Marsden and Mark Lapham of Broadlands School, Keynsham Hayley and Zainab Simone of Philips High School, Whitefield, Manchester Oli Green, Alex Armitage, Mark Plested and Ataul Munim of Bishop Wand, Sunbury On Thames Lauriane and Craazymoose of Malwood Road, Baltham London Jack Hewitt and Jack Mcgrath of Royal Ave William Zong, Matthew Robinson Joe Foggon Jake Prested of Framwellgate School Durham Newton Drive Durham Charles Kin, of Plymouth College Ivo Radice, of Rushmore Tollard Royal Salisbury Challenge 4 Part A Winners Cracking Good Code Grommit: Eleanor Owen, Jack Owen, Ralph Sadleir of Station Road, Puckeridge Those Boffs At The Front, Vicky, Leah of Tonbridge Grammar School NanoCracKers, Aavish Thakerar, Aniket Thakerar and Yaminkhan Zarolia of Babington Community Technology College 3C: Keith Brown, Irene Joyce and Hannah Biddles of Trinity, Carlisle The Special One (Andrew Baker) of St Thomas Aquinas Catholic School, Kings Norton Cumar Vasudeva, of the City Of London School For Boys The Flamegirls, Emilie and Jessica of Perse School For Girls Edgates at The Gryphon School, Sherborne