Other Stuff

Laser cut Board (2)
Mini Tumble Laser cut (6)
Do not understand Puzzle 15? (2)
More Automated (better?) Nim (2)
Dutch translation of the TT Book (2)
Needed: a sensor component (2)
Errata: Challenge #21 (9)
A fast adder using minimum balls, and I've found a use for all those washers (2)
How to simulate any computer with finitely many pieces (8)
"Capacitor" Gear Bit for parallel computation (2)
Error in Puzzle 54? (4)
How to compute an arbitrary Boolean function (2)
Missing piece (small black peg) (4)
Missing washers (3)
Added Boardgamegeek entry (5)
Balls Have Too Much Speed (4)
Puzzle difficulty (3)
Challenge #34: clarification (2)
My daughters' reactions were awesome (2)
Box Opening Video (3)
Just got started but (3)
Love it. For real (2)