The B. F. Skinner 20/20 t-shirts are on sale at the Foundation’s online store for $19.99. Limited quantities in black, blue, and red are still available in all sizes. All proceeds go to benefit the B. F. Skinner Foundation.
A reminder: For delivery by Christmas, orders that require shipping to an address in the US must be placed by December 15th. We cannot guarantee delivery for international orders.
