Floating Ring Magnets Material_Copper Twelve-position rotary capacitance substitution box

Twelve-position rotary capacitance substitution box selecting one capacitor at a time

Seven-piece glass prism and lens set at 13mm thickness with all faces polished

Classroom pack of ten handheld digital thermometers

Beaker-themed beer pong set includes 12 polypropylene 500mL beakers and 2 pong balls for chemistry-themed party gameplay

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

Floating Ring Magnets Material_Copper Twelve-position rotary capacitance substitution boxFive color coded ceramic ring magnets at 46mm diameter mount on a 15cm wooden dowel, levitating above one another when oriented with like poles facing for a memorable repulsion demo.