Hall's Friction Car Base Shape_Rectangular packaged in a hard plastic

packaged in a hard plastic case with standard-size pieces

Thirteen-piece research-grade starter kit assembling the retort stand

supporting both additive and subtractive color demonstrations in optical box setups

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

with lengths varying by density to isolate the mass-volume-density relationship for student investigation

Hall's Friction Car Base Shape_Rectangular packaged in a hard plasticMolded in one piece with sleeve bearing wheels, a central mass well, and a removable cord post, this Hall's car supports dynamics work on inclined planes with weights and pulleys.