Aqua mermaid tail blankie. Officially the coolest kids' gift - ours are flipping out!
LEGO Walls. Could just do part of a wall.
DIY Jewelery Organizer Tutorial : use expandable peg hooks to keep jewelery organized... rings on top, bangles & bracelets in the middle, and necklaces on the bottom rows.
DIY Wooden Roads and Ramps for Toy Cars (Great for both inside and outdoor play!)~ BuggyandBuddy.com
physics experiment with coins
Make animal track flip flops -- fun for Brownies or Juniors who want to learn to identify animal tracks when they explore the outdoors.
DIY Doll in a Box Gift Set - I am sooo excited about our dolly in a box. She has a little bed, interchangeable artwork and a "hidden" compartment to store clothes and accessories.
Suspended Train Track
vintage show decor. Now I need to mount some chairs on my wall. It would be cute for a little kids dress up area. You could stack baskets of accessories on the chair seats. Oh the ideas abound.
Build around a lamp.