Female Pelvis Model, Hand-Painted Material_Borosilicate Glass Tandem double plastic pulley pairing

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

sized for physics force experiments and balance calibration in classroom laboratory sessions

fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction

Thirty-atom organic chemistry model set with 24 short and long bonds

and triple bonds

Female Pelvis Model, Hand-Painted Material_Borosilicate Glass Tandem double plastic pulley pairingHand painted female pelvis model exposes ilium, ischium, pubis, and sacrum bones with articulations, supporting skeletal anatomy teaching in health coursework.