Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Pulley, Triple Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Sonometer Wire, 1.3lbs, 9.8x6.7x6.3inch, Set of six wires, brass and steel, length 1.5 m, Set of six wires, brass and steel, length 1.5 m of 22, 24, 26 SWG. Ends looped ready for use.
Synthesis of Aspirin, Includes:2x25 ml Acetic Anhydride UN1715, 1x15 g Salicylic Acid, 2x25 ml Sulfuric Acid Concentrate UN1830, 2x25 ml Toluene UN1294, The exothermic reaction willcause the temperature to increase to 70-80C
PineCar Program Guide, A 19-page, fully-illustrated race sponsor's guide with easy step-by-step instructions on conducting a PineCar Derby or SailBoat Raingutter Regatta, information on how to plan the event, set up the race floor plan, select the car and sailboat kits