Still looking for a few last minute gifts? These Make: Primers are perfect for the person who likes to learn new maker disciplines. Each detailed primer has step by step instructions so the recipient can learn a new, useful skill. With primers available for carbon fiber, welding, mold making, and printed circuit board making, you have a range of disciplines to choose from. Since they’re downloadable in PDF format from the Maker Shed, they are available instantly and you don’t have to pay for shipping!