WildThing Jet Boats offers jet boat tours of the Upper Dells, a guided tour of Dells Glacial Park. New & exciting, fun & furious, informative & entertaining. Your captain will make this a speed boat ride you will never forget. Ricochet right, ricochet left, do 360 degree spins, power stops, creating sprays of water, generating cheers of laughter. Thrilling fun for the whole family.