NEW LEGO Arches 1x3x3. LEGO - Part 13965 -. 6038531 13965 Black Arch 1 x 3 x 3. 6551421 13965 Bright Green Arch 1 x 3 x 3. 6387467 13965 Bright Light Blue (AKA: Light Royal Blue) Arch 1 x 3 x 3. 6380622 13965 Bright Light Yellow (AKA: Cool Yellow) Arch 1 x 3 x 3.
