Attention kids! It's time to brush off those cobwebs from the brain and get ready for three incredible challenges World Spelling Day, World Maths Day and World Science Day - The only competitions that allow you to test your knowledge against peers from all across the globe.

The on-line challenges will begin at a pre-determined time for each country on March 6th, 7th and 8th respectively, and last for 48 hours. Competitors, who can enter individually, or as a school, are allowed to play up to 50, 60-second challenges, with each correct answer earning a point for the Spelling and Math Challenges. For the Science Challenge competitors will be able to accrue 2 points for each question if they tackle the difficult ones.

Though the competition is on for for the entire two days, contestants can log in and out and take as many breaks as they wish - Their scores will be stored by the site, allowing them to continue where they left off, each time. To ensure that every one gets a chance to win the coveted title, the contest pool is divided into four age categories: 4-7, 8-10,11-13 and 14-18.

At the end of the 48-hour period, the individuals and school with the highest number of correct answers will be inducted into the respective Halls of Fame, receive minted Gold Medals and most important of all get the title of World Champions. A number of other prizes will also be awarded. To check the full list go to www.worldmathsday.com.

The best part is, you can start practicing right away. Simply ask your parents or teacher to register and begin playing against children your age from India,Korea,China or maybe someone from just round the corner from you. Best of luck! Be sure to let us know how you do, by adding your comments below.

Resource: worldmathsday.com