US$ 21.99
Five-pack of 3/4-inch steel marbles
equipping a class for compound-pulley and multi-rope mechanical-advantage experiments
Eighteen-piece modular electronics kit in a plastic case
providing a measurable stress-strain study on paired wire specimens
Cylindrical dropping funnel in borosilicate glass holds 1000mL with PTFE stopcock and 29/32 plastic stopper for large-volume liquid addition
Student Inorganic and Organic Molecular Model Set Subject_Anatomy Five-pack of 3/4-inch steel marblesUsed to introduce molecular geometry and chemical bonding, this student molecular model set covers both inorganic and organic chemistry topics with durable plastic atoms and connecting links.
US$ 21.99
US$ 15.00
US$ 17.99
US$ 39.99
US$ 10.00