Test Tube Party Pack-100 Tube SHOTZ, 36-hole rack Get the Party Started with this Great Party Package. Set includes 100 multi-colored Test Tube Shotz and 1 24-hole or 36-Hole plexi-tray Test Tube Holder (S-shape). Add the Easy Squeeze Fill Bottle for the best way to fill up all those Tube SHOTZ. Perfect shooter girl beginner package! The Tube Shotz are High Quality Polystyrene Crystal Cut Tubes.