US$ 809.60
and narrow — at 10 inches tall
verifying conservation of momentum in two dimensions for mechanics-unit investigations
illustrating the high-ratio speed reduction and self-locking action of worm gearing
and troubleshooting exercises
and cochlear detail for auditory teaching
9-Piece Embryonic and Fetal Development Pregnancy Model Set Entomology & Zoology_Zoology Models and narrow — at 10Nine model set traces embryonic and fetal development across the full gestational period, supporting pregnancy biology and prenatal care teaching in health courses.
US$ 809.60
US$ 460.00
US$ 163.08
US$ 192.00
US$ 187.29
US$ 749.73