Functional Human Knee Joint Model Subcategory_Test Tubes Brass-wire conductor and seven plotting

Brass-wire conductor and seven plotting compasses on a clear base

the numbered dicot leaf model on a base maps epidermal

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

Twenty-centimeter steel helical spring paired with 2kg

this 6-inch Alnico bar pair extends field lines visibly along the magnet body for full-class iron-filing demonstrations

Functional Human Knee Joint Model Subcategory_Test Tubes Brass-wire conductor and seven plottingFlexible joint allows the model to move through knee flexion and extension, demonstrating ligament engagement and meniscus function for sports medicine teaching.