24 fitness room ikea hacks ideas

How to Use IKEA BILLY Bookcases in Unusual Ways

These 23 IKEA BILLY bookcase hacks share how you can transform your home with customized storage that fits your space, style, and budget.: BILLY Built-in Bench Seat When it comes to hacking beautiful storage, no other IKEA product works a room like the BILLY bookcase. Here are 23 of the best BILLY bookcase builds.