2" Friction Cube with 4 Surfaces and Hook Subcategory_Lab Jacks secured on a plastic-ended metal

secured on a plastic-ended metal rack with a carrying handle for physics force and acceleration experiments

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

connecting lightweight clamps and accessories to retort stands in small-scale laboratory assemblies

Larger-spark 100mm induction coil from a 6-12V DC input with adjustable vibrator and base-mounted suppression capacitors

2" Friction Cube with 4 Surfaces and Hook Subcategory_Lab Jacks secured on a plastic-ended metalTwo inch friction cube with four distinct faces wood, paper, vinyl, sandpaper and a hook on one side, letting students pull each surface against the same bench to measure mu_s and mu_k.