The picture shows the A300-600 / A310 kit in comparison.
The wings on the left side and the fuselage on top are for the
All other pieces are similar.
one piece fuselage, separate tail cone
model sits on the nosegear, no additional weight required for balance
main gear : CAUTION, it is highly recommended to reinforce the longitudinal bogie with 0,8mm steel wire, to support the weight of the model
engines: ADVISE remove the rear cover (which is required for the casting process only ) from the intake pieces. The diameter of the fans is slightly larger than the engine lips, hence insert the fans from the rear.
the picture with the 2 engines shows the P&W on top and the GE below