Bestbuy offers iFixit - Magnetic Project Mat for $14.99 (orig. $19.99) + free shipping with My Best Buy Rewards (free to join) or on orders over $35.

Product Description:

Keep repair tools and small parts organized while you work with this 8" x 10" iFixit magnetic project mat. It provides room to spread out supplies, and the magnetic surface instantly captures tiny metal pieces to prevent loss. This iFixit magnetic project mat comes with a Lumocolor correctable pen for writing directly on the mat.