The dots should be pressed into place. Use a tool (back end of a caliper is what I used)
Press until it snaps into place.
Same with the plugs for the token casings.
Press and use force.
I have noted though that (Lime Green Blend) comes out a little, little smaller and for such filament you may have to use a drop of glue to get it fixed in place.
Four different colors is the minimum and one color for the board.
The author marked this model as their own original creation.