diff --git a/.github/assets/sandbox-overview.png b/.github/assets/sandbox-overview.png
new file mode 100644
index 0000000..1988ac0
Binary files /dev/null and b/.github/assets/sandbox-overview.png differ
diff --git a/README.md b/README.md
index 9afbd1a..8348b50 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,10 @@
 [![Java 21](https://img.shields.io/badge/Java-21%2B-orange.svg)](https://adoptium.net/)
 [![Kotlin](https://img.shields.io/badge/Kotlin-2.0-purple.svg)](https://kotlinlang.org/)
 
+![FinCore Engine sandbox dashboard](.github/assets/sandbox-overview.png)
+
+> The sandbox dashboard. Headline counts are read live from the API; the activity feed is an illustrative sample.
+
 ---
 
 ## What it is