US$ 120.00
this 12-piece stainless steel dissection kit equips the lead educator with a full instrument set in a leather case
surface tension
and nine 10g weights for introducing elasticity and spring-constant measurement
Long-stem receiver delivery adapter in borosilicate glass features 14/23 socket for distillation collection and extended chemistry apparatus assembly
20-Piece Metallic Ores Specimen Set Mechanics_Work & Energy this 12-piece stainless steel dissectionBuilt for economic geology teaching, this 20 piece metallic ore specimen set demonstrates the raw sources of industrial metals for classroom identification.
US$ 120.00
US$ 26.00
US$ 110.00