You have many markers you need to organize them in one place ? So here is your solution ; a marker holder. While there are various alternatives you can purchase from markets, you can also craft your own marker holder. This product is made with pvc electrical conduits and a foam core.
The crafting procedure for this product is as the following : You cut the electrical conduit up into small pieces and glue them together. You can also use a foam core to create a box for glued pieces. At the end fo the procedure, you will have a useful marker holder.