Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.
Super Magnet Classroom Lab Kit, Includes: 100 magnet, 5 magnetic marbles, 7 magnetic wands, 2 metal bar magnets, 2 metal ring magnets, 2 mini horseshoe magnets, 1 large plastic horseshoe magnet, activity guide, storage box
Bottle rocket launcher attached to a sturdy base with the capability to launch 2 L plastic soda bottles over 100 ft in the air. Using water as the liquid fuel, pressurize the bottle with a bicycle pump, Remotely launch from a safe distance using the corded release mechanism