Rolling friction car kit, provides four cars for exploration into the force of friction, Each car provides a set of different material wheels (wood, fabric, soft rubber, soft silicone), Weight (lb): 1.0, Length (in):5.8, Width (in):6.5, Height (in):3.5
Banana Plug/Alligator Clip Cord, 36inch, Flexible, 18 gauge(SWG) stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end, Alligator clip has a protective vinyl sheath, 3 red, 3 black
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