diff --git a/docs/extensions/extension-gallery.md b/docs/extensions/extension-gallery.md
index 8f387207bf1..2e810fe41f0 100644
--- a/docs/extensions/extension-gallery.md
+++ b/docs/extensions/extension-gallery.md
@@ -192,6 +192,10 @@ Many extensions are available to work with interface kits, add-on hardware, or o
 
 ```codecard
 [{
+  "name": "SEN66 Air Quality Sensor",
+  "url":"/pkg/bsiever/pxt-sen66",
+  "cardType": "package"
+}, {
   "name": "KY-040 Rotary Encoder Plus",
   "url":"/pkg/steveturbek/pxt-rotary-encoder-KY-040-plus",
   "cardType": "package"
diff --git a/targetconfig.json b/targetconfig.json
index 66059805ba4..205b77bd47b 100644
--- a/targetconfig.json
+++ b/targetconfig.json
@@ -445,6 +445,7 @@
             "aorczyk/my-controller": { "tags": [ "Software" ] },
             "forward-education/pxt-openscied": { "tags": [ "Science" ] },
             "forward-education/pxt-ceibal-ubit": {},
+            "bsiever/pxt-sen66": { "tags": [ "Science" ] },
             "microsoft/pxt-simx-sample": {
                 "simx": {
                     "sha": "7301f5900879b85127482d79bab48f03c25690a8",