diff --git a/lib/src/play_session/grid_constants.dart b/lib/src/play_session/grid_constants.dart
index d2f30cc..a2f83e5 100644
--- a/lib/src/play_session/grid_constants.dart
+++ b/lib/src/play_session/grid_constants.dart
@@ -1,5 +1,5 @@
 
-double dot_size=7;
+double dot_size=12;
 double bar_size=55;
 
 int grid_size=5;