50 Pieces (Approx.) Glass Marbles Set for Party Favor Decoration Fish & Aquatic Tank , Each Decorative Marble Diameter 1.0 Inch (25mm) Approx. 50 Glass marbles/per order , assorted colors randomly pick up Approximately 1.0 Inch ( 25mm ) diameter for each marble ,Few of the glasses have imperfections such as broken chips ,mark on, etc. Party Favor Decoration Fish & Aquatic Tank Kids School Project, office fish tank decoration Sport or Outdoor Play as Marble Game