Converting a crib into a storage cabinet is a creative idea. Here's an easy way to do this:
Old cribs. Hand drill. Saw. Ruler.
Screwdriver. Paint (optional).
Storage basket box.
Plank. Sandpaper.
Paint brushes. 
DisassemblyFirst, disassemble the crib. Remove the head and foot of the bed and keep the bed structure.
Measurements: Use a ruler to measure the size of the bed to determine how many baskets or boxes you can hold.
Make partitions: Based on the measurements, make suitable partitions with saws and planks to ensure that they can be securely installed inside the bed.
Install the partition: Use a screwdriver to attach the partition to the inside of the bed to accommodate the basket or box.
DecorationIf you want, you can sandpaper the entire bed and paint it in your favorite color to make it look more aesthetically pleasing.
Install the storage basket box: Place the basket or box in the divider of the bed to make sure they can be easily removed and put in.
PositioningFinally, place the bed in the right place as needed to make sure it can be conveniently used as a practical storage cabinet.
With these steps, you can turn your old crib into a practical storage cabinet that is both eco-friendly and functional. Remember to be safe when operating, especially when using tools.