Trap door facts for kids
A trap door is a door in the ground or in a floor that opens when someone stands on it. Trap doors are popular in mystery themed movies. The victim who falls down the trap door often is met with danger or a hidden treasure. A standard cliché deals with the victim finding himself in an alligator filled swamp (most famously seen in Scooby Doo cartoons).
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Trap door Facts for Kids. Kiddle Encyclopedia.