Marble Genius Marble RunSold Out
Includes: 41 see-through building pieces, 8 action pieces, 2 large action pieces, 9 marbles (standard toy size)
All Marble Genius Marble Runs Include: Free Marble Genius App with instructions and challenges
Exciting action pieces for interactive play
Kid-friendly connectors that are easy to assemble
Multiple build-on options (All Marble Genius Marble Run sets and Marble Maze games are compatible.