140 pieces for $19.99 and the best thing you get is a small Technic bike that rolls. That's the whole pitch. LEGO® graded this a D for a reason.
The parts alone are worth about 51% of the MSRP — the basis for this F price read.
OverpricedYou're paying well above the parts' value — $10 of parts for a $20 price.
The Stunt Bike is a set that exists. It's a small, functional Technic motorcycle with a pull-back motor and not much else to say about it. At $19.99 for 140 pieces, you're paying a premium for a build that wraps up in under an hour and leaves you with something too small to display with conviction and too basic to excite a serious builder. There are no minifigs, no clever techniques worth talking about, and no real play story beyond rolling it across the floor. The value floor score of 2.1 is probably the most honest thing about this set — there's very little here that justifies the ask. It landed a D overall, and that grade is doing the charitable work.