The Way Basics cube gets better everyday, with the Connect Series you'll get the same strength, storage and style from a traditional cube but with added features. Add a door to your cube or a shelf, connect multiple units together to build a bigger storage unit. Whatever you decide, Way Basics has what you need to make your organization project a success. Easy to assemble with no tools required, the Connect Series features the same 3M adhesive and easy align pins. Simple stick, press and you're ready to get organized! The cubes are non-toxic and environmentally friendly, they're safe for your home and family.