Marble track - hammer (Gravitrax compatible when using my basic tile)
thingiverse
Two kinds of hammers for kicking marbles up to speed in your marble run are available! The 13mm version utilizes normal Gravitrax steel balls. In contrast, the 15mm version uses larger 15mm steel balls that also serve as Gravitrax scoops. I ordered both from Aliexpress, but be aware that you shouldn't order stainless steel, as it won't work with magnets. This design is only compatible with my basic 6 exit tile. The basic tile is also compatible with gravitrax. You can see the hammer in action at these two YouTube links: https://youtu.be/IKzbd2h6ktA and https://youtu.be/-eAlQq7iwhE. If you found this information useful, please consider donating what it's worth to my PayPal account. Your donation will help cover the time spent designing this product.
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