Children's Room Inspiration

Last year Lulu switched rooms but the new room is furnished with everything from when I shot her nursery here, so I haven't posted any new photos of it. I'd love to re-do Lulu's room every other year, though it'd be terribly wasteful, environmentally speaking, so I'll just have to ease the urge by looking at other kid's rooms on pinterest. Below are a few that I have loved lately. Which is your favourite?
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1. A cute little kitchen on sfgbybay
2. A great colouring space & teepee cubby on Littlebirdsboutique
3. A train set, globe and reading nook on Photo Diaries
4. Bunting, tree house and duck on Turbulences Deco - My friend had a tree house like that when we were kids and I thought it was so cool!

Ps The Nursery - before and after