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Don't throw away that old keyboard! You can make a sweet wallet with the circuit sheets inside! Inspired by an Instructables.com project: http://www.instructables.com/id/Wallet-made-from-a-computer-keyboard/

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  Step 1: Disassemble the keyboard

  Flip the keyboard over, and unscrew the screws holding it together. Remove the top of the keyboard from the bottom.

• Tip

  PC keyboards work best, since you can open most of them with a Phillips-head screwdriver. Macs generally require a tiny Allen wrench that can be hard to find.

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  Step 2: Remove the circuit board

  Unscrew the circuit board, and remove it. Peel off the sheet of rubber key springs.

• Tip

  If the rubber key springs are attached individually to the circuit sheets, remove each one carefully with a razor blade.

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  Step 3: Remove the circuit sheets

  Carefully remove the circuit sheets, and gently pull them apart. You’ll usually find two circuit sheets, and they may be glued together at a few small points.

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  Step 4: Cut out six pieces

  Using a pen, ruler, and scissors, measure, mark and cut out four pieces of the circuit sheets that are 3-by-4 inches each. Make sure that no circuit sheet holes run along the edge of any rectangles. Then, cut out two more pieces, this time making them 3-by-3 inches each.

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  Step 5: Cut out a 6-inch piece of tape

  Cut a 6-inch piece of tape and lay it out vertically, sticky side up.

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  Step 6: Stick pieces to tape

  Place the 3-inch edge of one of the larger circuit sheets horizontally onto the tape, 4 inches from the top of the tape. Then place the edge of a second 3-by-4-inch circuit sheet onto the tape next to the first, leaving a one-eighth inch gap between the two sheets.

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  Step 7: Fold the tape over

  The sides of the circuit sheet that you want on the outside of the wallet should be the sides stuck against the tape. Fold the two ends of the tape toward each other and press down.

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  Step 8: Repeat

  Repeat with another piece of tape and the other two 3-by-4-inch circuit sheets. You have now assembled the two pieces of the wallet that will hold bills.

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  Step 9: Tape 4-inch ends together

  Stack these pieces on top of each other, with the insides of the wallet facing each other. Cut two 3-inch pieces of tape. Place a piece of tape along the edge of each 3-inch end and fold it over. Trim off any excess. You’ve now sealed shut the wallet’s flaps.

• Tip

  If the adhesive side of the tape is exposed through holes in the circuit sheets, cut pieces of tape the same size, and stick them to the exposed tape inside the wallet.

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  Step 10: Seal the bottom

  Seal the bottom by folding the wallet, and sticking a 9-inch piece of tape along the bottom edge. Make sure the tape does not stick to itself. Open the wallet, and fold the piece of tape up to seal the bottom. Trim off any excess tape at the ends.

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  Step 11: Attach the card holders

  Place the 3-by-3 inch circuit sheets on the inside the wallet, flush with the bottom left and right corners, and tape them in place along the outside edges with a 4-inch piece of tape. Fold the tape over to seal, and trim the excess.

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  Step 12: Add four pieces of tape

  Add four pieces of tape for the top and bottom edges of the card slots. Only the inside edges should remain open.

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  Step 13: Cut the corners at an angle

  Cut the top two pieces of tape at an angle to keep the corners from becoming bulky. Then, fold the tape over into the cash slot of the wallet. On the bottom, cut both pieces of tape at an angle to keep the edge of the tape away from the wallet corner, where it will be prone to peeling. Fold the rest of the tape over to finish securing the card slots.

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  Step 14: Add your items

  Add your items to the wallet, and you’re done!

• Fact

  The history of the keyboard dates back to the first typewriter, which New York-based Remington Co. mass-marketed in 1877 to compensate for the drop in gun sales after the Civil War.