Craft Hint: instead of using the sticky, wax straw things in the jewel case maze thing, use bendy straws. It's cheaper and the bead or BB won't stick to the sides. Just glue them down with Aleene's tacky glue.
How to Make a Cardboard Box Marble Labyrinth Game - Frugal Fun For Boys Engineering STEM activity for kids - Build a cardboard box marble labyrinth! Get the marble through the course without it dropping into the holes.