Fraction Resouce Kit, Includes: fraction circle set, fraction square set, overhead fraction circle set, fraction bar set with work book and guide, fraction chart, a Focus on Fraction book and a Fraction Circles activity book
Double Cone & Plane, Defy Gravity As Cone Appears To Roll Upward. This Visual Demonstrator Of The Center Of Gravity Has A Wooden Frame With Diverging Rails And A Double-Ended Cone. The Cone Appears To Roll Up Actually The Center Of Mass Is Moving Down.
VWR* Visual Scientifics Photogate Sensor, Four Modes: Gate, Pulse, Pendulum, Frequency, also Works with VISUAL SCIENTIFICS and numerous physical science systems, This kit contains: 2 Photogates, 2Connecting wires, Main photogate hub and control, Wall charger