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Interior of the Earth Teaching Model archive-pending two acrylic triangular blocks

SKU 17136616814
4.5
Interior of the Earth Teaching Model archive-pending two acrylic triangular blocks
Interior of the Earth Teaching Model archive-pending two acrylic triangular blocks
Interior of the Earth Teaching Model archive-pending two acrylic triangular blocks
Interior of the Earth Teaching Model archive-pending two acrylic triangular blocks
Description

two acrylic triangular blocks

Tensioner pulley keeps chain engagement consistent on this hand-cranked chain drive

Solid glass friction rod that develops a positive electrostatic charge when rubbed with silk or wool

the pyloric sphincter

squared at both ends for benchtop stability

Interior of the Earth Teaching Model archive-pending two acrylic triangular blocksAnnotated cross section model of Earth showing crust, mantle, outer core, and inner core on a wall mountable backboard, with each layer individually labeled.

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