If you do more than your fair share of crafting and need to keep your supplies well organized, consider a shelving unit that is fold-able for easy storage when not needed. Most shelving units can withstand up to 250 lbs on each shelf but you need to make sure that the shelving unit is on an even and flat surface and that the weight of your shelved items are evenly distributed so as to not cause a weight imbalance.
Folding shelving units:
Folding shelving units pictured: Origami R5-01 General Purpose 4-Shelf Steel Collapsible Storage Rack, Large
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