The deadline for local folks to enter a national competition has been extended.

Hannibal Parks and Recreation announces that entry deadline for the Imagination Playground's Build-A-Thon contest has been extended to December 18.

You can enter by creating a structure using the Imagination Playground Big Blue Blocks at the Admiral Coontz Recreation Center. Then take a picture of your creation at send it to buildathon@imaginationplayground.com. You can also build a creation digitally on the Imagination Playground 3D Builder app.

There will be over 500 winners nationwide, with the winners to be announced January 5, 2016. The prizes include a Grand Prize of an all-expense-paid trip to build at the Imagination Playground Park in New York City and a customized 105-piece set of Imagination Playground blocks. There will be first, second and third prizes for both digital and physical builds.

Three sets of the blocks are stored in the Play Without Boundaries Sensory Room in the Admiral Coontz Recreation Center. The center is open 7:30 a.m. to 5:30 p.m.

For more information, go to the Imagination Playground website.

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