Inertia Demonstration Kit Chemistry Proves horizontal velocity does not

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

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

the flywheel light enough to drive by breath for hands-on reciprocating-engine study

Wooden handle supports 13

Inertia Demonstration Kit Chemistry Proves horizontal velocity does notDemonstrates Newton's first law by yanking a metal card from beneath a steel ball, leaving inertia to drop the ball straight into the waiting receptacle below.