UGEARS 70157 Marble Run - Stepped Hoist Wooden Model Kit Drag Link IC3® and IC5® connectors are

IC3® and IC5® connectors are also compatible with EC3™ and EC5™ styles

To monitor the voltage of your electric vehicle's battery

Louise 4wd rear tyre with white wheelThis is Louise E-Rocket 4wd rear tyre mounted on white rim with 12mm hex

a younger man is holding onto an older man

UGEARS 70157 Marble Run - Stepped Hoist Wooden Model Kit Drag Link IC3® and IC5® connectors areThe model has a 3 stage alternating lift that hands the marbles back and forth as they climb to the top to embark on their amusement park adventures. Which marble will take which track, and which will make it down first? The Marble Run Stepped Hoist features a 3 marble accumulator in which the third ball opens the gates for the trapped first and second marbles, sending all three along their divergent paths. There are three tracks: the first consists