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This is what you'll need to make a giant toothbrush: Foam sheathing, acrylic paint, paint brushes, a hot glue gun, a surface smoothing tool (like a cheese grater), ...
Measure and trace the outline of the body and neck of the toothbrush with a strait edge\yard stick.
Use the exact knife to cut out the toothbrush, and use the straightedge again to make sure you are cutting in a straight line.
To add to the thickness of the toothbrush, use the part you just cut out and trace it onto the foam sheathing and cut out another layer.
After you've cut out however many layers you're using to make the toothbrush, glue them all together with the hot glue gun.
Use a grater or brush to make the sides even, smooth, and more neat.
Use a nice size paint brush (not too big and not too small) to paint the toothbrush with acrylic paint. Don't use anything other than acrylic paint, like ...
This step is optional but if you want to make your toothbrush even cooler, draw something fun on it.
Outline a square/rectangle around the scrubbing brushes, which will be used as the bristles, to make an outline for the head of the toothbrush and repeat steps 3, ...
Drill a whole into the neck of the body of the toothbrush, and into the head. Make sure the hole is centered and deep enough so you can ...
Use the hot glue gun to glue on the bristles which are just scrubbing brushes.
Enjoy your giant toothbrush!
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