RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands the flywheel light enough to

the flywheel light enough to drive by breath for hands-on reciprocating-engine study

Chrome-plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations

these plastic forceps provide precision grip for specimen manipulation without damaging delicate tissues or structures

75-inch height range for bench apparatus

RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands the flywheel light enough toThree primaries (red, blue, green) and three secondaries (cyan, magenta, yellow) sit in 50 x 50mm mounts, supporting both additive and subtractive color demonstrations in optical box setups.