Park alternatives...

[vowels]

Kennedy Space Centre

Science Centre - they sometimes do movies and adults only
nights.

Trip to Sarasota, although a overnight would be better. It is
really pretty.

[ERICSMUM]

Helicopter ride
Gun range
Boggy Creek airboat ride

[greekgranny]

Tavares. Sea Plane flight.

[wanye]

wasnt impressed with ripleys at all. if youre looking to kill an hour or two in bad weather, i suppose it could be worth a trip, but otherwise, i wouldnt bother...

drive in movie (silver moon drive in) - silvermoondrivein/
shooting range (oak ridge gun range) - oakridgegunrange/
showmens museum showmensmuseum/
spirit of the swamp airboat ride - spiritoftheswamp/
silver spurs rodeo (or one of the other rodeo events in kissimmee depending on when youre there) - silverspursrodeo/
go to a gig at the beacham/social in downtown orlando - beachamorlando/
while youre in the area, go do a brewery tour at orlando brewing company - orlandobrewing/
or visit winter park distillery for a tour - wpdistilling/
and go for some food at the ravenous pig while youre in the area - theravenouspig/

or a couple of days in st augustine, with a stopoff at KSC on the way back

hth