2. Next, spray a coating of PYMII on the front, let it dry, and then repeat this on the back of each puzzle piece. (This product protects cardboard from wetness and stains.)
By Tammy Powley, About.com Guide
2. Next, spray a coating of PYMII on the front, let it dry, and then repeat this on the back of each puzzle piece. (This product protects cardboard from wetness and stains.)
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