* Change 5 Part Blue {3049 Slope 45 2 x 1 Double / Inverted to 3049b Slope 45 2 x 1 Double / Inverted - without Bottom Tube or Inside Stud Holder}
* Change 2 Part Blue {3049 Slope 45 2 x 1 Double / Inverted to 3049b Slope 45 2 x 1 Double / Inverted - without Bottom Tube or Inside Stud Holder} (Alternate)