Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers Virtually unbreakable ABS-plastic dynamics cart

Virtually unbreakable ABS-plastic dynamics cart pair with two-level spring punches

letting students compare four densities by mass alone while the volume is held constant across the set

equipping a class for dual-diameter compound-pulley experiments without cord-threading setup

and copper supports density

including beakers

Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers Virtually unbreakable ABS-plastic dynamics cartAC DC switchable low voltage power supply outputting 6V or 12V at 2 amps from a 110V mains input, with banana plug terminals for optical bench and physics demonstration circuit setups.