Enter your model number
to make sure this fits.
Add this crazy trick part to your existing Wall Coasters to make zany new designs!
Use your imagination and the basic laws of Physics and gravity for hours and hours of fun
Create fast drops, big jumps, and crazy twists, then tear down, rebuild, and start again!
Invented by a 12-year-old marble run aficionado. Develops strategy and spatial reasoning
Includes one Crazy Stairs Add-on Trick, 2 lightweight marbles, and extra coaster tack
Wall Coaster Crazy Stairs Add-on Trick Part - I8WV8ROCR