Using IKEA boxes and thin Lego board that's primarily used for the smaller Legos. Tip Duplo Legos fit the small Lego board. Tip small Legos fit on the Duplo Legos, when making the transition from Duplo to smaller Legos.
Floating bookshelves, these are bookshelves I like. Looks like you could do this with an IKEA kitchen wall cabinet minus door and turned horizontal to mount. IDEA for narrow wall next to our kitchen wall
cool contemporary colourful way to repurpose these boxes for book shelves or shop display , craft , art or office storage , remember the higher you go yo will also need some brackets or screw in areas to keep it secure on the wall DIY Ikea book shelf