Don't know about your boys, but my boys (ages 3 and 6) love to play with action figures- all kinds-characters from his favorite movies (like the character sets you can get at the Disney store), superheroes, transformers, etc. They always want something in particular and the little figures are impossible to find if just dumped in a toy box. I bought one of the racks with the removable plastic bins and it's one of the best purchases I ever made (ours has 9 buckets I think-3 large and 6 smaller). They have all their things organized so they can find what they want quickly, and it's always easy access and easy clean up (cars in one, diego toys in one, dragons/dinosaurs in one, bakugan/transformers in one, superheros in one, etc.) I wish I had a small bookshelf for their books. We don't have room for another bookshelf (they also share a room, but we don't have an additional room so all their toys are in the room with them and so space for a bookshelf). Their books currently take up the bottom two shelves of a larger bookcase that we have in the family area, but we're running out of book room. If you have space, I would definitely recommend a bookshelf. It's good for books, board games, puzzles, movies, or other little knick-knacks or odd shaped things you may want out but have no place to put.