diff --git a/extra/bubble-chamber/large/large.factor b/extra/bubble-chamber/large/large.factor
new file mode 100644
index 0000000000..8520277749
--- /dev/null
+++ b/extra/bubble-chamber/large/large.factor
@@ -0,0 +1,8 @@
+
+USING: ui bubble-chamber ;
+
+IN: bubble-chamber.large
+
+: main ( -- ) [ large ] with-ui ;
+
+MAIN: main
\ No newline at end of file