Make Your Own Magnetic Spice Rack.

Make Your Own Magnetic Spice Rack | Garden Betty
We had dead space on the side of our upper cabinet, but instead of building a bulky shelf, we made a magnetic spice rack to hold our 30 (and counting!) spices.
What you’ll need:
22-guage/0.8 MM steel, cut to size with holes pre-drilled - use 304 or 400 series stainless, which is magnetic (most common types of stainless steel are not).

Spice containers (IKEA Grundtal Magnetic Stainless Steel Containers/Spice Tins, 3 Pack)
Rare earth magnets - 25mm dia x 5mm thick Y10 Ferrite Magnet with Adhesive Foam Pad - 0.45kg Pull | first4magnets.com
(12.7mm x 1.5875 mm OR 25mm dia x 5mm thick Y10 Ferrite Magnet with Adhesive Foam Pad - 0.6kg Pull)

Epoxy (or other industrial-strength glue)- E6000 Industrial Strength Glue Adhesive (0.18 fl oz): Amazon.co.uk: Kitchen & HomeLabels
OR Gorilla Epoxy Glue 25ml from BQ.

SO...We bought these 4-ounce/114ml tin containers in bulk.
They’re lightweight, food grade, and feature clear lids so you can easily see your spices.

Then we screwed the steel plate onto the side of our cabinet, and arranged all our spices to fit.