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Quantity
1
Description
97-Piece Ultimate Add-On Kit for Marble Racing Tracks
Take your marble racing to the next level with the IMR Add on Kit, the ultimate expansion kit for the IMR Speedway, IMR Grand Prix, or IMR Circuit. This assorted mix of modular track pi...
Reviews
4.9
25 ratings
5
4
3
2
1
Very Good - But with a Wish List
The add ons are very good.
They mesh with the regular parts seamlessly and they are quality made and perfect for "day camp abuse."
I wish the items with stickers came pre-attatched and that there was also a device to lift the marbles upward to provide laps.
There are a few things on Esty...but they are not mass produced like the rest of the system.
7
7 Ā· July 6, 2026
My son loves these sets. This was all he wanted for his birthday.
M
Miya Ā· July 26, 2026
Excellent addition to our M1 Hyper Loop! Makes it even more fun and approximately doubles the race time
