This is a flipping bean that I made with foil, whiteboard marker, lunch box/box with lid and marble. When you put it in the empty box and tilt it, it flips!
What size is it? You could add a penny or a pencil to the photo, for reference.
I just done the bean because it means that it could be any size! I made one big I made one small, i made every size. thats why i only put the bean. :D

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Bio: I am jwoo2023
More by jwoo2023:Make a small, clay, Sentry Turret from Portal! Make a resistor Your first electronic pcb/project 
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