US$ 84.00
3kg tension weight
Demonstrates Newton's first law by yanking a metal card from beneath a steel ball
electromagnet coil
Used to introduce semiconductor rectification
Dynamic Track with Stand and Ramp Biology_Entomology & Zoology 3kg tension weightAdjustable hardwood ramp track with a 30 by 120cm running surface and a run off section, delivering controlled slopes for friction, motion, and energy on incline investigations.
US$ 84.00
US$ 4499.50
US$ 3399.50
US$ 48.00