Working with copper is a great activity for ages 10 and up., By pressing on either the back or the front with various tools a relief effect is
adafruit-Copper Foil Sheet with Conductive Adhesive - 12 X12 Sheet
Copper Foil - High-Quality 0.009mm 50mm x 50mm 99.97% Purity, Product Listing
100% Brand new and High quality.Copper purity: >99.9% (Thickness*Width*Length)0.1x100x1000mm/0.004''x3.94''x39.37'' (Approx.) Pure Copper Foil Sheet,
LTKJ 1pc 99.9% Pure Copper Foil Sheet Thin Cu Metal Foil Roll 0.1 x 100 x 1000MM 39
1 Roll of Electric Guitar Shielding Copper Foil Tape Noise
Copper Metallic Foil Fusing Rolls - Best Quality, Best Price per Inch
5 Mil Copper Sheet- Coiled.005 thick/ 36 gauge. 1 Rolled Sheet.
Copper Sheet 5 mil/ 36 gauge tooling metal foil roll 18 X 20' CU110 ASTM B-152
Platinum Tools®, Products, Connectors
Welded - Copper Foil - 4095 - 08
Which Type of Copper is Best for Your PCB? - Camptech II Circuits Inc.
3M™ Copper Foil EMI Shielding Tape 1181
Material:99.95% Cu, Colour:as picture show, Package Contents:, 1X copper foil tape, Only the above package content, other products are not included.,
Copper Foil Tape Shielding 200 x 1000mm Double-sided Conductive Roll
Some Basics about Copper Foil in PCB