16.25" Gear Train Simple Machine Model Handle Type_Wood supporting up to three pendulums

supporting up to three pendulums simultaneously for harmonic-motion work

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

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

a compound unit for demonstrating multi-rope mechanical advantage in physics activities

Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel

16.25" Gear Train Simple Machine Model Handle Type_Wood supporting up to three pendulumsUsed 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.