LGA01, jam at the collection and falling track of steel balls

Hi, I just finished my LGA01. very nice, I like it, but I have a problem with the collection and falling track of steel balls. The first two balls passing “l” block the holes, the third and all following balls fall into the third hole and fall throgh the hole in “b”. “j” does not move at all, “k” opens once and remains open. Who can help?

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Do you have pictures?

Oh no! Sorry to hear this. It’s hard to tell what you are having problems with without a picture for reference. I hope someone can help you. Welcome to the group @salip


Please take a picture to confirm the direction of the baffle.

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Just a suggestion. If you are going to reply to Robotime, you should reply @CustomerService . For @salip

Did you properly sand and wax the edges that hold your baffle keys in? They appear to not move freely. Also, maybe your acrylic pieces are squeezing them to tightly to move properly? @salip