This post is on behalf of my son, who Is 7 years old. For a school project he was given the task of designing a Leprechaun trap, and the resulting contraption was entirely his design after he and his mother brainstormed about solutions to capturing a Leprechaun. His mom helped with the artwork and cutting only, but I did not design or wire any of the contraption. After he finished, I suggested we post it to the Project14 ‘Cheer Us Up’ challenge and he agreed. The audio for the alarm came from an old greeting card that he took the innards out of and the rest of the supplies came from kits we bought for him.
He drew the schematic for his project at my request and it appears in Figure 1. I showed him what the symbols were for the devices he used, and he drew the schematics.
Figure 1: The two schematics for the two circuits in the Leprechaun trap.
The circuit on the left is for the motor that drives the fan, and the circuit on the right is what drives the audio 'alarm'.
He made two videos for this entry – one to show a demonstration and the other to show a behind the scenes on how the trap works. I edited the video to remove a few scenes of our dog being, well ... a dog.
The Demonstration
Behind The Scenes
We hope this cheers you up!
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Children