6 ball bearings - fit / work in Gravitrax. Supplied in resealable bag.
Chess -Box fits 3.75 or less good for Jakes of London 3.5 or Drueke 3.5/8s Lardy
Mahjong Rack, Acrylic Portable Quick Setup, Clear Mahjong Rack With Magnet Pusher, For Family Night, Game Room, Professional Match, Fits Standard Case
