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please explain OBW and stack and whack
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01-17-2011, 03:55 PM
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sandyo
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Join Date: Jul 2010
Location: Appleton, WI
Posts: 902
The big difference I have noticed is that stack and whack are with 8 triangles and have a background and binding between. The OBW are six triangles and can all be connected to each other.
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