Suggestion Box

Ball counting marks (2)
Part Idea: Board joiner piece (1)
Where can I obtain more marbles? (2)
Part Idea: Stored/Releasable Ball (9)
Issues with reliability in certain configurations (6)
Puzzle book clarification [PUZZLE 19 SPOILER] (4)
Balls get stuck (4)
Hints and Tips for Novices (5)
Part Idea: Collection Bin (4)
Part Idea: Manual Input Bit (4)
Part Idea: Reflector, the opposite of crossover (4)
Assembly instructions (2)
Part idea: Randomizer (2)
Missing parts already! (2)