Scratch Boards can only be purchased from the Scratch website. At the time this book was written, the price of a Scratch Board was $25, along with an additional $5 charge for shipping and handling. To verify the current price of a Scratch Board, visit http://scratch.wik.is/Support/Scratch_Board/Pricing_information. To order a Scratch Board, go to https://scratch.media.mit.edu/pages/scratchboardpurchase and fill out the required form.
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