This is not my find, I stole it from another source. But I had to pass it on anyway. Mine is on the way, and I have seen a video of one on a slot track. it really pops! adds a good bit of personalized animation to any track oval or road course. thought I would share the link.
https://www.ebay.com/itm/LED-Name-Tag-D ... 1438.l2649
Bob