Altitude 5 (as in 5 pegs), yellow colour denotes pilot level (I haven't picked out what colour works for what level yet). Counter on the base for speed, so no dice are needed on the stands.

Fits in a small storage box.

In the Netherlands the 2nd hand Lego market is huge, and the pegs can be had for 2-3 cents a used piece. Transparant ones go for 7-12 cents so I passed over those for now, but will probably invest in those at a later date, or when I find a local seller who does 40-50 in one go for a nice price (I'm not cheap, just poor).

And all you need to do is drill in a small round bit and glue a magnet in that, very easy and with the simple colours it is easy to see who is what and whom goes first etc.