Moment of Inertia Disc on Magnetic Base Handle Type_Wood 5-inch female pelvis model demonstrates

5-inch female pelvis model demonstrates 9-month pregnancy anatomy and fetal positioning before delivery for obstetrics teaching

Racked display of fourteen precision-machined stainless steel slotted masses totaling 1110 grams from 1 to 100 gram pieces

1100-turn copper coil on a bobbin sized for a double C-core

Hand-cranked 4-stroke gasoline engine model at 13

and marble for hands-on texture

Moment of Inertia Disc on Magnetic Base Handle Type_Wood 5-inch female pelvis model demonstrates6. 5 inch plastic moment of inertia disc on a magnetic base ball bearing, perforated at 1cm intervals along 12 axes with six moveable pins for torque and rotational energy investigations.