Marble Run Booster Set
Marble Run Booster Set
Marble Genius

Marble Run Booster Set

Regular price $19.99 $0.00 Unit price per
*20 see-through building pieces
*9 action pieces
*10 marbles (standard toy size)
*Popular action pieces that aren't in other sets (Alternating Y, Swing, Jump, etc.)
*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)