Description

75-inch mouth on a 4 by 4 inch base

Selected through four rotary-switch decades from 0 to 11

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

Student pulley demonstration set with a range of pulleys for mechanical-advantage and force-multiplication comparisons

polythene plates

16.25" Gear Train Simple Machine Model Handle Type_Wood 75-inch mouth on a 4Used to demonstrate how meshing gears transmit rotation, change speed, and multiply torque, this 16. 25 inch gear train simple machine model arrives ready to use with no assembly required.

Exchange/Return Notes

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Final sale items are not eligible for returns or exchanges.
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16.25" Gear Train Simple Machine Model Handle Type_Wood 75-inch mouth on a 4

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