Teleporting Submarine is a water related gadget owned by Doraemon which was featured in Going To Sea In A Submarine.
Appearance[]
This submarine is very small in comparison to normal submarines and is yellow in color. It has pink seats and an orange steering wheel.
Function[]
It can teleport from one body of water to another. Grows or shrinks in size depending on the spaciousness of the water body. It's in its normal size when it's on land.
Story[]
This was the gadget used by Doraemon to take Nobita to an island or the sea- where Suneo, Gian, Shizuka and others were. They first ended up in an aquarium, a green tea and many other locations before finally reaching Suneo and others.