LEGO Blue Duplo Brick 2 x 4 x 2 with 2 x 2 Cutout on Bottom (6394) Comes In

This is a list of all the items the Blue Duplo Brick 2 x 4 x 2 with 2 x 2 Cutout on Bottom (6394) comes in. In total this part comes in 15 other items.