The colors, artwork, and fabric used in many of these rooms means the spaces will transition well as the kids grow older. The light colors serve as a neutral backdrop to changing furniture and accessories. The saturated color in Image 3 is very grown-up but still fun for a baby boy's room, and the wallpaper in Image 10 uses pattern in a fun and clever way.
(Images: 1. Jeppe Gudmundsen-Holmgreen for Bo Bedre via Jelanie 2. Little Green Notebook 3. Leah Moss for Apartment Therapy 4. Bethany Nauert for Apartment Therapy 5. Marco Ricca for Design*Sponge 6. Dwell Studio 7. Wren Handmade 8. Teeny Monster for Apartment Therapy 9. Lonny 10. Ikea via A Cup of Jo)