We have the Project Pinball Charity t-shirts which we are very proud of. They brightly colored and durable. I been wearing mine three times a week for over 6 months now.
Plus, all the T-shirts proceeds go right toward the purchase of another pinball machine for another hospital.
Here is Jim wearing his Project Pinball T-shirt at Pinburgh this year.
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You can get more purchase information here. http://www.projectpinball.org/how-to-help/
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(Thank you Bob!)