On Amazon.com where they are offering some awesome discounts on select LEGO sets – including many LEGO creator kits which let you build up to 3 different things from just one set! Even better, many of these items ship for FREE!
LEGO Creator 3in1 Twin Rotor Helicopter Set, Only $39.97 shipped (regularly $59.99)

Create three different models with this set: a helicopter, jet, or cool hovercraft. This set includes 596 pieces, a LEGO remover tool, and one LEGO minifigure.