I promised I would build the giant crane and I did! After callibrating(!!!) it with a bag of rocks my daughter crafted a little paper basket to carry around some little squishmallows. The app works really well and I was impressed by the sensor features it has, like real time loading calculation and balance, still though, kind of a pain to take pictures of when you have to use your phone to control it! Also it's HUGE. I've got it sitting atop a 3x3 IKEA Kallax unit here and it's hanging off both ends, dwarfing the Medieval Blacksmith shop.