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Join Chris from The Masked Marble as he unboxes the GraviTrax Hammer Expansion! This marble run extension adds a Hammer …
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2ND TRY – will the marble finish?
Build this track with app code 6OEJGJD669. Go into the GraviTrax app and enter the …
Very nice Video 😊😊
I have a few of these Hammers and the first thing I did was to take a lime green sharpie and colour in the direction arrows.
I wish this one was cheaper. It’s double the price of the other extensions on Amazon. I tried to 3D print one but it was a badly designed file. Do you know of any files for this?
The hammer production error is gone ?