For rover: one single key to pop out the radar, rocket booster, and guns on top and both sides, one single key to retract all popped out parts. For station: one single key to transform the state of station from normal to enhanced. For shuttle: with light and sound function, astronaut can sit inside the seat, open the payload bay doors to disclose the workable mechanical arm inside the shuttle body, can put astronaut on the arm to let the astronaut performing the repairing duty in space or moon walking, posable astronaut.
