Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...
LEGO said they didn't even want a power switch on the brick or even a reset button, and the SMART Bricks all recharge wirelessly and stay powered even after years of no use. LEGO claims one of the mai ...
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