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Reviewed in the United States on March 30, 2025
I don't know what this was so I'm not sure if they liked it
Liza
Reviewed in the United States on February 23, 2025
Worked well with the rest of the marble run pieces from another brand.
FatMilkDud
Reviewed in the United States on January 16, 2025
I really liked this idea and it appeared to work fine but it was NOT compatible with my Joyin set. Someone should make a set of compatibility cylinders because they all have great ideas that would be awesome when combined. Sadly, this set was larger in diameter and would not work.
Mike
Reviewed in the United States on August 9, 2024
I bought this to add to another set we already had. There are so many marble runs with the tubes and they all have the same shapes I assumed they would be interchangeable. I was so wrong. Stay within brands because no one specifies marble sizes let alone tube sizes. I may just return it
Ruthie Passolt
Reviewed in the United States on February 4, 2024
This was great in expanding the possibilities of our marble run. Good activity for a wide variety of ages. 3 & 7 yo grandsons love Marble Genius. And it’s something different from what they have at their house.
Kevin Raphiel
Reviewed in the United States on October 1, 2024
Haven't opened them yet but, when I extend my track. They will come in handy.
Paul M
Reviewed in the United States on July 17, 2023
very well made
Aquiles Ibarra
Reviewed in Mexico on December 4, 2023
Bien
Janna Barnes
Reviewed in the United States on December 9, 2022
My college boys loved returning to their childhood as they played.
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