Bedroom. Absolutely love the idea of using a collage (sort of set up like this one) to add flavor to a plain, boring wall.

Maybe not on a wall but use white lights and use for patio lighting

Dancing Ballerinas in Pink Tutus. Kids room wall decor. on Etsy, $32.00

Turquoise ombre canvas wall art. Something like this with a silhouette of the kids in the bottom right?

mirrors and lights.... This is just gorgeous, I don't know how else to put it, other than WOW.

This is kind of cool. Hollow out backside with a router and run rope lights. Offset from wall to create light.

Cool A Wall Decoration | DIY & Crafts Tutorials