My friend Macey at Mom Essential posted the following information for you who will be in the Phoenix area on December 12-13th.
"Enjoy free general admission and entrance to "Robots: The Interactive Exhibition" Saturday and Sunday (Dec. 12-13). Ford Motor Company Fund is underwriting the cost of the weekend, which also includes special discounted pricing will also be offered on presentations in the Planetarium and movies in the DorranceIMAX® Theater. 600 E. Washington St., Phoenix
(more details on their site here, thanks AZcentral deals!)"