US$ 69.00
Seven-metal 20mm density cube set with hooks and element stamps — brass
Adjustable elastic strap and ventilation ports distinguish these clear safety goggles for chemistry
Syringe-piston Boyle's Law apparatus with a 29mm graduated cylinder
pairing a graduated glass capillary with a sturdy backing plate for classroom tracking of water uptake
24-Piece Disarticulated Human Rib Bone Set Lab Supplies_Tubes & Vials Seven-metal 20mm density cube setDisarticulated 24 bone rib set lays out every true, false, and floating rib for side by side thoracic cage teaching and rib identification exercises.
US$ 69.00
US$ 89.99
US$ 60.64
US$ 47.09