BUKI Construction Kit - Marble Run - Medium LED & Fire Balls The extra wide 20mm axle

The extra wide 20mm axle works like a one way screw driver except there are three internal ball bearings which give it a turbo (cyclone) spin

If they pick up dirt during practice or performances

This variation provides more momentum and a slower spin

flower-shaped inner flower and an outer

152 cranks are standard and should be considered the minimum for all but experienced riders

BUKI Construction Kit - Marble Run - Medium LED & Fire Balls The extra wide 20mm axleThis construction kit from BUKI is a super fun marble run. Assemble the pieces to build your marble maze. Use the launcher to propel the marble into the labyrinth and catch it before it falls! You can guide and change the marble's path by activating the traps. Find several modules to animate your labyrinth and make it more fun. You can find a launcher, levers, dominos, different bridges, hatches, a balance, a jump or a cage. 10 marbles of 14 mm are