continuous one line drawing boy caveman riding t-rex tyrannosaurus. young kid sitting on back of dinosaur. stone age children.

abstract adorable animal archeology banner boy child continuous contour dino dinosaur drawing extinct fantasy fast funny gallop graphic hand jurassic kid line art lizard monoline monster one outline pose prehistoric print raptor reptile rex ride run simplicity single sitting sketch sprint steering trex tyrannosaurus vector velociraptor white background wild caveman riding t-rex tyrannosaurus young back dinosaur stone age children ancient human life draw design