diff --git a/src/Activity.php b/src/Activity.php
new file mode 100644
index 0000000..a2009fd
--- /dev/null
+++ b/src/Activity.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Zoomyboy\LaravelNami;
+
+use Illuminate\Support\Arr;
+use Illuminate\Database\Eloquent\Model;
+
+class Activity extends Model {
+
+    protected $guarded = [];
+
+    public static function fromNami($item) {
+        $item = collect($item)
+            ->only(['descriptor', 'id'])
+            ->mapWithKeys(function($item,$key) {
+                if ($key == 'id') { return ['id' => $item]; }
+                return ['name' => $item];
+            })->toArray();
+
+        return (new self($item));
+    }
+
+    public function subactivities() {
+        return Nami::subactivitiesOf($this->id);
+    }
+
+}
diff --git a/src/Api.php b/src/Api.php
index 01400f2..f847279 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -73,6 +73,12 @@ class Api {
         return collect($this->http()->get(self::$url.'/ica/rest/nami/zugeordnete-taetigkeiten/filtered-for-navigation/gruppierung-mitglied/mitglied/'.$memberId.'/flist')->json()['data']);
     }
 
+    public function subactivitiesOf($activityId) {
+        return collect($this->http()->get(self::$url.'/ica/rest/nami/untergliederungauftaetigkeit/filtered/untergliederung/taetigkeit/'.$activityId)->json()['data'])->map(function($subactivity) {
+            return Subactivity::fromNami($subactivity);
+        });;
+    }
+
     public function membership($memberId, $membershipId) {
         $url = self::$url.'/ica/rest/nami/zugeordnete-taetigkeiten/filtered-for-navigation/gruppierung-mitglied/mitglied/'.$memberId.'/'.$membershipId;
         $response = $this->http()->get($url);
@@ -148,6 +154,12 @@ class Api {
         });
     }
 
+    public function activities($groupId) {
+        return collect($this->http()->get(self::$url."/ica/rest/nami/taetigkeitaufgruppierung/filtered/gruppierung/gruppierung/".$groupId)['data'])->map(function($activity) {
+            return Activity::fromNami($activity);
+        });
+    }
+
     private function singleMemberFallback($groupId, $memberId) {
         $url = self::$url.'/ica/rest/nami/mitglied/filtered-for-navigation/gruppierung/gruppierung/'.$groupId.'/flist';
         $response = $this->http()->get($url);
@@ -190,14 +202,6 @@ class Api {
         return json_decode((string)$response->getBody());
     }
 
-    public function activities() {
-        $response = $this->client->get("/ica/rest/nami/taetigkeitaufgruppierung/filtered/gruppierung/gruppierung/{$this->user->getNamiGroupId()}", [
-            'cookies' => $this->cookie
-        ]);
-
-        return json_decode((string)$response->getBody());
-    }
-
     public function groupForActivity($activityId) {
 
         $response = $this->client->get("/ica/rest//nami/untergliederungauftaetigkeit/filtered/untergliederung/taetigkeit/{$activityId}", [
diff --git a/src/Group.php b/src/Group.php
index ce56444..65e5843 100644
--- a/src/Group.php
+++ b/src/Group.php
@@ -2,6 +2,8 @@
 
 namespace Zoomyboy\LaravelNami;
 
+use Illuminate\Support\Collection;
+use Illuminate\Support\LazyCollection;
 use Illuminate\Contracts\Support\Arrayable;
 
 class Group implements Arrayable {
@@ -43,4 +45,8 @@ class Group implements Arrayable {
         return Member::fromNami(Nami::member($this->id, $id));
     }
 
+    public function activities(): Collection {
+        return Nami::activities($this->id);
+    }
+
 }
diff --git a/src/Subactivity.php b/src/Subactivity.php
new file mode 100644
index 0000000..b44b023
--- /dev/null
+++ b/src/Subactivity.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Zoomyboy\LaravelNami;
+
+use Illuminate\Support\Arr;
+use Illuminate\Database\Eloquent\Model;
+
+class Subactivity extends Model {
+
+    protected $guarded = [];
+
+    public static function fromNami($item) {
+        $item = collect($item)
+            ->only(['descriptor', 'id'])
+            ->mapWithKeys(function($item,$key) {
+                if ($key == 'id') { return ['id' => $item]; }
+                return ['name' => $item];
+            })->toArray();
+
+        return (new self($item));
+    }
+
+    public function getNameAttribute() {
+        return ucfirst($this->attributes['name']);
+    }
+
+    public function getIsNullAttribute() {
+        return $this->attributes['id'] == self::getNullValue();
+    }
+
+}
diff --git a/tests/Unit/PullActivitiesTest.php b/tests/Unit/PullActivitiesTest.php
new file mode 100644
index 0000000..58a8f3d
--- /dev/null
+++ b/tests/Unit/PullActivitiesTest.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Zoomyboy\LaravelNami\Tests\Unit;
+
+use Zoomyboy\LaravelNami\Nami;
+use Zoomyboy\LaravelNami\Tests\TestCase;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Config;
+use Zoomyboy\LaravelNami\NamiServiceProvider;
+use Zoomyboy\LaravelNami\LoginException;
+use Zoomyboy\LaravelNami\Group;
+
+class PullActivitiesTest extends TestCase
+{
+
+    public $groupsResponse = '{"success":true,"data":[{"descriptor":"Group","name":"","representedClass":"de.iconcept.nami.entity.org.Gruppierung","id":103}],"responseType":"OK"}';
+
+    public function test_get_all_activities() {
+        Http::fake(array_merge($this->login(),[
+            'https://nami.dpsg.de/ica/rest/nami/gruppierungen/filtered-for-navigation/gruppierung/node/root' => Http::response($this->groupsResponse, 200),
+            'https://nami.dpsg.de/ica/rest/nami/taetigkeitaufgruppierung/filtered/gruppierung/gruppierung/103' => Http::response($this->fakeJson('activities.json'), 200)
+        ]));
+
+        $this->setCredentials();
+
+        Nami::login();
+
+        $this->assertSame([
+            [ 'name' => 'Ac1', 'id' => 4 ],
+            [ 'name' => 'Ac2', 'id' => 3 ]
+        ], Nami::group(103)->activities()->toArray());
+
+        Http::assertSentCount(4);
+    }
+
+    public function test_get_all_subactivities() {
+        Http::fake(array_merge($this->login(),[
+            'https://nami.dpsg.de/ica/rest/nami/gruppierungen/filtered-for-navigation/gruppierung/node/root' => Http::response($this->groupsResponse, 200),
+            'https://nami.dpsg.de/ica/rest/nami/taetigkeitaufgruppierung/filtered/gruppierung/gruppierung/103' => Http::response($this->fakeJson('activities.json'), 200),
+            'https://nami.dpsg.de/ica/rest/nami/untergliederungauftaetigkeit/filtered/untergliederung/taetigkeit/4' => Http::response($this->fakeJson('subactivities-4.json'), 200)
+        ]));
+
+        $this->setCredentials();
+
+        Nami::login();
+
+        $this->assertSame([
+            [ 'name' => 'Biber', 'id' => 40 ],
+            [ 'name' => 'Wölfling', 'id' => 30 ]
+        ], Nami::group(103)->activities()->first()->subactivities()->toArray());
+        
+        Http::assertSentCount(5);
+    }
+
+}
diff --git a/tests/json/activities.json b/tests/json/activities.json
new file mode 100644
index 0000000..98c4a6e
--- /dev/null
+++ b/tests/json/activities.json
@@ -0,0 +1,18 @@
+{
+    "success": true,
+    "data": [
+        {
+            "descriptor": "Ac1",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.taetigkeit.FunktionsTaetigkeit",
+            "id": 4
+        },
+        {
+            "descriptor": "Ac2",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.taetigkeit.FunktionsTaetigkeit",
+            "id": 3
+        }
+    ],
+    "responseType": "OK"
+}
diff --git a/tests/json/subactivities-4.json b/tests/json/subactivities-4.json
new file mode 100644
index 0000000..82ef975
--- /dev/null
+++ b/tests/json/subactivities-4.json
@@ -0,0 +1,18 @@
+{
+    "success": true,
+    "data": [
+        {
+            "descriptor": "Biber",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.taetigkeit.Stufe",
+            "id": 40
+        },
+        {
+            "descriptor": "Wölfling",
+            "name": "",
+            "representedClass": "de.iconcept.nami.entity.taetigkeit.Stufe",
+            "id": 30
+        }
+    ],
+    "responseType": "OK"
+}