Tracks for game Game “Q4” from 1992. Mensa Select Winner.
Instruction you can find on BoardGameGeek.

For game you also need balls 16mm - 12 white and 12 black. Size like in Pentago. Also cheap in chinese shops.

Travel version (8x10 cm) and normal (12 x 15 cm).
I make 3D models for old board games that are not available for sale.