1st competition - tournament
3D Tic Tac Toe
You probably know the Tic Tac Toe game on a paper, but did you play the 3D version?
- registration required
- capacity of 64 people
Can you measure time without watch?
Geocachers use lots of tools for hiding or seeking geocaches.
And when they can't be used, then...
Competitions - note
Unless otherwise indicated, competitions are free.