diff --git a/src/snek/templates/sandbox.html b/src/snek/templates/sandbox.html
index 4e124b2..789e51e 100644
--- a/src/snek/templates/sandbox.html
+++ b/src/snek/templates/sandbox.html
@@ -12,7 +12,7 @@ function showTerm(options){
 
 
 class StarField {
-  constructor({ count = 100, container = document.body } = {}) {
+  constructor({ count = 50, container = document.body } = {}) {
     this.container = container;
     this.starCount = count;
     this.stars = [];
@@ -567,7 +567,7 @@ const count = Array.from(messages).filter(el => el.textContent.trim() === text).
 
 
 
-const starField = new StarField({starCount: 100});
+const starField = new StarField({starCount: 50});
 app.starField = starField;
 
 class DemoSequence {