Derby Darling and Emma Webber (from left) explore their building options in the new Tinkering exhibit at Leonardo's Discovery Warehouse Friday, March 15, 2013. The Oklahoma Museum Network permanent exhibit was funded by Donald W. Reynolds Foundation.(Staff Photo by BONNIE VCULEK)

Derby DarlingEmma WebberTinkeringLeonardo's Discovery WarehouseOklahoma Museum NetworkDonald W. Reynolds FoundationBonnie VculekEnid