Marble Roller Coaster - Thread Boards Add-on (V02)
Marble Roller Coaster - Thread Boards Add-on (V02)
Regular price
$42.00 USD
Regular price
Sale price
$42.00 USD
Unit price
per
Build video: https://youtu.be/yZ1yktTmjrE
*Warning* this is a very difficult build that requires glue and/or plastic welding
Requires:
3/4" steel ball bearings
<8mm x 8mm x 7mm magnets
*not intended for children - choking hazards*