A rough, almost circular shaped rock leans against a boulder. At its base, a worn-out, industrious caveman sits asleep at the wheel (very nearly), no doubt dreaming of better methods of transportation than walking.
A fish is strapped to a helium-filled balloon with duct tape. Several other fish gather around to watch while a blowfish readies itself to shoot down the balloon with a dart through a straw before it drifts away. These are the aquatic thrill seekers.