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

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

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

this pack of premium qualitative filter paper offers medium-speed gravity filtration with a 10-micron pore size at 85 gsm weight

polythene plates

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.