Version with wheels, rockets, axes, wings, tanks, propellers and balloons, on small island with track and levitating airstrip.
[ Edit mode ]
LMB - checking / unchecking node
RMB - camera rotation
E - add normal node
Q - remove any node
R - change between moving / rotating mode
J - add axe (joint) node, this node can be selected in two places and it divide model to two physics bodys
W - add wheel
T - add rocket engine
Y - add wing
U - add tank, used like float in water
I - add propeller or screw propeller in water
O - add balloon
P - add camera node, press '/' key to change view from this node
Shift - add connection between nodes, one node must be selected and another pointing be mouse
Ctrl - work like Shift, but remove connection
[ Play mode ]
WSAD - wheel base vehicle steering
Shift - wheels breake
Other nodes have full bingingable keys for steering.
When new node was added, is in same place as selected node, but now a new node is selected. So after adding new node is recommended to move it.