Swing Set!
Power Wheels!
Playstand, silks and clips
Cool Baby/swimming Pool
Slip N Slide ($10 at sports authority) or other cool yard water toy
Race Cars and a little track
http://www.amazon.com/exec/obidos/tg...=toys&n=497366
Wooden Panatonic instruments from magic Cabin
TBall Set or Basket Ball hoop for outside
HTH
edited to say that I think the Zoo membership would be GREAT! You can get national memberships that will get you into several zoos too.