Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 150x18mm, rimless, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 25 ml, PK24
Rolling friction car kit, provides four cars for exploration into the force of friction, Each car provides a set of different material wheels (wood, fabric, soft rubber, soft silicone), Weight (lb): 1.0, Length (in):5.8, Width (in):6.5, Height (in):3.5