This is a spinning top made from an acorn.
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Step 1: Materials
1 Swiss Army Knife
Step 2: Drilling a Hole
You need to make a hole in the acorn for the Mach stick. Take out the leather punch on your knife and make a hole the size of the mach stick.
Step 3: Putting It Together
Stick the Mach into the hole. To use, place the top on a hard surface and spin the stick.