Proto Productions
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This Magic Squares exhibit is one of several interactives that are part of the Benjamin Franklin: In Search of a Better World travelling exhibit. The goal is to select a combination of numbers which all add up to the same number horizontally, vertically, and diagonally. Click here for online interactive demo. | |||||||||||||||
Exhibit by Proto Productions Inc. for the National Constitution Center. |
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SIGNAL-INNOVA 2841 East 19th Street Signal Hill, CA 90755-1166
Phone: (800) 417-9060 Fax: (562) 961-1104 email: Info Request