Sukha Swing | Atelier Sukha
Lego table made using Ikea's Trofast system. Great idea for when the boys are older and lego-obsessed.
Lego storage cabinets from Ikea
This is simple yet genius: color-coded LEGO storage. (You could also divide them up by size instead.)
mommo design: LOFT BEDS
Great idea for a city skyline scene above a low book shelf. Could adapt this for other rooms (non-kid rooms).
How to Build a House Bed for a Kid's Room - Petit & Small
Display kids artwork in playroom #kid-playroom-ideas