6-Piece Mounted Objects Set for Optical Bench, 2 x 2" Subcategory_Skeletons with AC and DC both

with AC and DC both available on separate terminals for electronics builds

Five-pulley set of 50mm single plastic pulleys on steel frames with end hooks

Virtually friction-free 2-meter air track shipped with vehicles

Aluminum-handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work

6-Piece Mounted Objects Set for Optical Bench, 2 x 2" Subcategory_Skeletons with AC and DC bothSix standardized objects mounted in 2 x 2 inch plastic frames, dimensioned to slot into PH0651 optical bench holders for repeatable image formation, magnification, and lens behavior studies.