diff --git a/docs/Weekly_Group_Assignments/week10.md b/docs/Weekly_Group_Assignments/week10.md
index 2e525dce9dbda5368044495ccb11504a259a7be8..08709c225af26f877055f15dd17fcffcf8fbcd56 100644
--- a/docs/Weekly_Group_Assignments/week10.md
+++ b/docs/Weekly_Group_Assignments/week10.md
@@ -150,7 +150,7 @@ movie
 
 ![test2.gif](../images/week10/test2.gif)
 
-Test 3 : Rainbow
+**Test 3 : Rainbow**
 
 - Design how to light by [Neo Pixel Effect Generator](https://adrianotiger.github.io/Neopixel-Effect-Generator/)
 
diff --git a/docs/images/week10/test3.mp4 b/docs/images/week10/test3.mp4
new file mode 100644
index 0000000000000000000000000000000000000000..43570a5187d06fdfc0ed58371b8892aff4499f8d
Binary files /dev/null and b/docs/images/week10/test3.mp4 differ