40 different counties are being represented at the event, which is organised in conjunction with British Gas on Saturday May 29th at the National Science Museum.
The competition will be played using the new Tournament version of the classic card game, which is based on six Top Tumps pack.
The final will be contested using six packs including Pop Stars, Sporting Heroes adn a Wow pack, based on 30 sights from around the world.
The winning child will receive a trophy and an all expenses paid trop for all their classmates to London's Science Museum.
The initial heats for the tournament took place at UK schools and then online. Cameron Vice, aged ten, (pictured) is one os the 72 children who will battle it out at the final.
Janes Rankin, head of special projecs at Winning Moves said: "We congratulate all 72 contestants on reaching the finals. We have been overwhelmed with the response from schools up and down the UK - more than 3,300 took part in the heats."
Katie Alloway, programme manager for British Gas Generation Green added: "We are very pleased to be involved with this fantastic project. We've been working with Top Trumps for over two years on our British Gas Generation Green programme as it's a perfect behicle to educate children in a fun manner about things we can all do to reduce reduce our carbon footprint.
"We jumped at the chance to get involved with the National Schools Tournament and have been overwhelmed by the response from over 3,300 schools across Britain."
The firms invite every school to enter in 2011. More information can be found here.