Japanese Man 3D Prints Amazingly Small R/C Fire Boat

3D Printed by a man in Japan, this fire boat has the following specifications.
Length: 105mm
Weight: 119 grams (about 4 ounces)
Battery: 3.7v350mA
Receiver: 6-channel DSM 2 (Cost: about $5)
See his other boats and read more http://3dprint.com/52513/3d-printed-micro-boats