Description

Jumbo-sized for heavier apparatus

Double-concave glass lens at 3-inch diameter and 200mm diverging focal length

Includes kidneys

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

this metal wave helix demonstrates pulse propagation

Teacher Inorganic and Organic Chemistry Molecular Model Set, 101-Piece Subject_Biology Jumbo-sized for heavier apparatus101 piece teacher grade molecular model set with 51 atoms and 50 bonds covering carbon, hydrogen, oxygen, nitrogen, halogens, sulphur, and phosphorus for organic chemistry work.

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Teacher Inorganic and Organic Chemistry Molecular Model Set, 101-Piece Subject_Biology Jumbo-sized for heavier apparatus

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