Linear Air Track with accessories, 1.5m length, Ideal for classroom use, Includes: (1) Linear air track, (1) Accessory pack, 63.8x7.1x12.6 inches, 24.9 pounds
Deluxe Loop Apparatus With Scale, 53 Cm Height, To Demonstrate Transformation Of Potential Into Kinetic Energy. For Demonstration Of Conservation Of Energy, Momentum And Projectile Motion. Loop The Loop Looks Like The Track Of A Roller Coaster