Schools will compete against each other to see who can raise the most money for a hospital unit in Newcastle.
The Bubble Unit is running the challenge and, as Denise Roberts explains, all of the money raised by the nine schools taking part will go towards funding research for the Bubble Foundation UK.
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A look ahead at a lively start to the weekend
2,000 children from more than 100 primary schools flocked to Sandhaven at South Shields for the annual Sandcastle Challenge.
Sunderland is set to welcome the world famous Tall Ships race in July 2018. Now, it has been given the honour of starting the race.