Things are about to get very big. And very expensive.

This is the brand new LEGO Technic 42129 Mercedes-Benz Zetros Trial Truck, it measures a hefty half a metre long, and it’s due to carry an equally huge price-tag when it goes on sale later this year ($300/£275).

However that enormous sum of money unlocks the most powerful motorised truck that LEGO have ever built, with three Large motors, one Medium motor, and bluetooth control via the LEGO Control+ App.

Those motors power all four wheels, the steering, and – for the first time ever – remotely locking differentials. All-wheel-suspension, a working gearbox, and a ‘detailed engine’ (which might just be a spinning fan) also feature, which compared to yesterday’s reveal isn’t all that much, but then, 42129 looks mega off-road.

LEGO have made some properly bold claims about climbing angles in their press release, and included in the set are some marker flags so that owners can test these via setting their own off-road courses at home.

A smorgasbord of amusingly generic racing stickers are included too (‘Oil’, ‘Intake’, ‘Rack’, and – our personal favourite – ‘Axle Beam’), although these actually look OK, and 42129 is blessed with the same enhanced level of detail as other recent Technic sets.

Aimed at ages 12+, the 2,110 piece LEGO Technic 42129 Mercedes-Benz Zetros Trial Truck looks like an excellent (if monumentally expensive) addition to the Technic line-up, and perhaps the most fun way to use the Control+ App yet…