Eis am Stiel für Finn's kaufladen (Water Filter Liquid Watercolor)
Hanger with pockets
An Ikea Hack custom train and activity table with TONS of storage. This is such an an EASY DIY project and a great way to get all of those toys up off the floor and organized once and for all! Maybe a Lego table and storage?
Simple Lego Projects - play and learn science
Ikea spice rack book shelves - behind the door.making use of wasted space. Better than a bookshelf for tight spaces.