20mm Tin Density Cube with Hook Capacity_500mL this four-skull collection includes 3-part

this four-skull collection includes 3-part

4 inches in diameter carries a magnetic post base that snaps onto the compatible experiment platform for rapid apparatus mounting

125 inch enclosure that runs on two AA cells for portable wave-frequency control

75-inch glass bulb on a plastic base with black-and-white vanes that spin under light exposure

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

20mm Tin Density Cube with Hook Capacity_500mL this four-skull collection includes 3-partSuspends a 20mm solid tin cube via a top hook for density investigation, stamped (Sn) to identify the less common metal alongside brass, iron, aluminum, and copper specimens.