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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
19 ratings
5
4
3
2
1
Excellent addition to our M1 Hyper Loop! Makes it even more fun and approximately doubles the race time
L
Luke · 3 days ago
My students are enjoying the racing kit and the add on. Goes great with roller coaster unit and the Speedway activities
C
Charla · May 9, 2026
Maybe a track bulding Booklet but still 5 out of 5.
The quality of the material is solid and sturdy. I wish maybe it came with a booklet with instructions on building some different track setups or something like that. Over all I'm super pleased with the quality of the product and with the speed of shipping.
