As promised, here is the second option for the big boy bed (Ikea Kura bed hack). Option 1 or Option Pers.
Love this little boys room - ORDER a custom colored Garland from Northern Cottage
Decorating Girls Bedroom ~ Little Girls Bedroom Decorating with Light Room Colors and Fabrics
Clear outward facing book shelves Pretty Melbourne Home
Love this minus the giraffe head! Domino magazine photograph's Stone Fox Bride owner Molly Guy's Brooklyn apartment and children's room, featuring a lofted bed and play space, a kids tipi, moroccan pouf, and shag rug.
The Chic Technique: Bunk bed and loft bed ideas. I like that the bottom bed's mattress is on the floor easier/less expensive to build; and lower height for top bunk.
A Pretty Melbourne Home - Shared space kids bedroom deisgn, white walls with splashes of color in wall art and rugs