PSI Shop Whether as a small souvenir or a practical gift: there is something for everyone in our online shop. Baseball cap Fischertechnik Sets Hooded Jacket (Women) Hooded Jacket (Men) Physics against Cancer Polo shirt Poster Backpack Waterproof Dry Bag Backpack Sports cap Sports Shirt Coolmax Stick Umbrella T-Shirt James & Nicholson Pocket Umbrella Mug Thermos Mug – stylish and practical Water bottle Victorinox pocket knife "Climber" Victorinox pocket knife "Rally" JOIN Drawstring Bag – practical and versatile Contact PSI Visitor Center +41 56 310 21 00visitorcenter@psi.ch