"Block Party"

Foam, cardboard and wooden blocks make up this enormous interactive exhibit in which kids of different ages act as imagination engineers. At the Building Blocks station, the littlest kids can play with wooden columns, arches, mini vehicles and human figures to create their own world, while their older siblings can build life-size foam houses, dinosaurs, moats and robots at Imagination Playground or hitch together notched wooden shapes—fabricating the likes of animals, forts or furniture—in the Thinker Linkers area. Finally, at Creative Cardboard, youngsters of all ages put together cardboard boxes and tubes to design anything from space stations to skyscrapers. Ages 2 to 12.