Add extra storage space to your pre-K classroom with the Stackable Bookshelf from Sprogs. This durable birch unit features two handles, which make it easy to move your reading materials around any area. And if you want to double your storage space, you can also combine two of these units with their interlocking design. Fully rounded corners and a UV finish provide additional safety. Backed by a 20-year warranty. Available assembled or unassembled.