Use whole saws or drill bits larger than the necks of the glue bottle and about a ten inch 2x4 piece of wood. Drill holes for the amount of bottles you want to have. You can add feet to your rack if the necks on the bottles are too long for the rack by gluing a couple of small wood blocks underneath on both ends.
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.