diff --git a/src/model/user/mod.rs b/src/model/user/mod.rs
index 6501625..affec60 100644
--- a/src/model/user/mod.rs
+++ b/src/model/user/mod.rs
@@ -124,7 +124,7 @@ impl User {
         if self.has_role(db, "schnupperant").await {
             self.send_welcome_mail_schnupper(db, mail, smtp_pw).await?;
         } else if let Some(scheckbuch) = ScheckbuchUser::new(db, self).await {
-            scheckbuch.notify(db, mail, smtp_pw).await?;
+            scheckbuch.notify(db, smtp_pw).await?;
         } else {
             return Err(format!(
                 "Could not send welcome mail, because user {} is not in Donau Linz or scheckbuch or schnupperant group",
diff --git a/src/model/user/scheckbuch.rs b/src/model/user/scheckbuch.rs
index 2f80f53..cc038ec 100644
--- a/src/model/user/scheckbuch.rs
+++ b/src/model/user/scheckbuch.rs
@@ -189,27 +189,26 @@ impl ScheckbuchUser {
     }
 
     // TODO: make private
-    pub(crate) async fn notify(
-        &self,
-        db: &SqlitePool,
-        mail: &str,
-        smtp_pw: &str,
-    ) -> Result<(), String> {
-        self.send_welcome_mail_to_user(db, mail, smtp_pw).await?;
+    pub(crate) async fn notify(&self, db: &SqlitePool, smtp_pw: &str) -> Result<(), String> {
         self.notify_coxes_about_new_scheckbuch(db).await;
+        self.send_welcome_mail_to_user(db, smtp_pw).await?;
 
         Ok(())
     }
 
-    async fn send_welcome_mail_to_user(
+    pub(crate) async fn send_welcome_mail_to_user(
         &self,
         db: &SqlitePool,
-        mail: &str,
         smtp_pw: &str,
     ) -> Result<(), String> {
+        let Some(mail) = &self.mail else {
+            return Err(
+                "Kann Mail nicht versenden, weil der User keine Mailadresse hinterlegt hat.".into(),
+            );
+        };
         Mail::send_single(
             db,
-            mail,
+            &mail,
             "ASKÖ Ruderverein Donau Linz | Dein Scheckbuch wartet auf Dich",
             format!(
 "Hallo {0},
diff --git a/src/model/user/schnupperant.rs b/src/model/user/schnupperant.rs
index 10d6b5a..08b2a07 100644
--- a/src/model/user/schnupperant.rs
+++ b/src/model/user/schnupperant.rs
@@ -1,5 +1,6 @@
 use super::foerdernd::FoerderndUser;
 use super::regular::RegularUser;
+use super::scheckbuch::ScheckbuchUser;
 use super::unterstuetzend::UnterstuetzendUser;
 use super::{ManageUserUser, User};
 use crate::model::role::Role;
@@ -86,6 +87,34 @@ impl SchnupperantUser {
         Ok(())
     }
 
+    pub(crate) async fn move_to_scheckbook(
+        self,
+        db: &SqlitePool,
+        changed_by: &ManageUserUser,
+        smtp_pw: &str,
+    ) -> Result<(), String> {
+        let schnupperant = Role::find_by_name(db, "schnupperant").await.unwrap();
+        let scheckbook = Role::find_by_name(db, "scheckbuch").await.unwrap();
+        self.user.remove_role(db, changed_by, &schnupperant).await?;
+        self.user.add_role(db, changed_by, &scheckbook).await?;
+
+        let scheckbook = ScheckbuchUser::new(db, &self.user).await.unwrap();
+        scheckbook.send_welcome_mail_to_user(db, smtp_pw).await?;
+
+        Notification::create_for_steering_people(
+            db,
+            &format!(
+                "Liebe Steuerberechtigte, {} hat unseren Schnupperkurs absolviert und nun ein Scheckbuch. Wie immer, freuen wir uns wenn du uns beim A+F Rudern unterstützt oder selber Ausfahrten ausschreibst. Bitte beachte, dass Scheckbuch-Personen nur Ausfahrten sehen, bei denen 'Scheckbuch-Anmeldungen erlauben' ausgewählt wurde.",
+                self.name
+            ),
+            "Neues Scheckbuch",
+            None,None
+        )
+        .await;
+
+        Ok(())
+    }
+
     pub(crate) async fn convert_to_unterstuetzend_user(
         self,
         db: &SqlitePool,
@@ -195,8 +224,8 @@ impl SchnupperantUser {
         mail: &str,
         smtp_pw: &str,
     ) -> Result<(), String> {
-        self.send_welcome_mail_to_user(db, mail, smtp_pw).await?;
         self.notify_coxes_about_new_scheckbuch(db).await;
+        self.send_welcome_mail_to_user(db, mail, smtp_pw).await?;
 
         Ok(())
     }
@@ -226,10 +255,11 @@ ASKÖ Ruderverein Donau Linz", self.name),
 
     async fn notify_coxes_about_new_scheckbuch(&self, db: &SqlitePool) {
         if let Some(role) = Role::find_by_name(db, "schnupper-betreuer").await {
-            Notification::create_for_steering_people(
+            Notification::create_for_role(
                 db,
+                &role,
                 &format!(
-                    "Lieber Schnupperbetreuer, {} hat zum Schnupperkurz angemeldet.",
+                    "Lieber Schnupperbetreuer, {} hat sich zum Schnupperkurs angemeldet.",
                     self.name
                 ),
                 "Neuer Schnupperant",
diff --git a/src/tera/admin/user.rs b/src/tera/admin/user.rs
index 38e2c61..6c88474 100644
--- a/src/tera/admin/user.rs
+++ b/src/tera/admin/user.rs
@@ -1100,6 +1100,36 @@ async fn change_membertype(
     }
 }
 
+#[get("/user/<id>/schnupperant-to-scheckbuch")]
+async fn schnupperant_to_scheckbook(
+    db: &State<SqlitePool>,
+    admin: ManageUserUser,
+    config: &State<Config>,
+    id: i32,
+) -> Flash<Redirect> {
+    let Some(user) = User::find_by_id(db, id).await else {
+        return Flash::error(
+            Redirect::to("/admin/user"),
+            format!("User with ID {} does not exist!", id),
+        );
+    };
+
+    let Some(user) = SchnupperantUser::new(&db, &user).await else {
+        return Flash::error(
+            Redirect::to(format!("/admin/user/{id}")),
+            format!("User {user} ist kein Schnupperant"),
+        );
+    };
+
+    match user.move_to_scheckbook(db, &admin, &config.smtp_pw).await {
+        Ok(_) => Flash::success(
+            Redirect::to(format!("/admin/user/{}", id)),
+            "Mitgliedstyp umgewandelt und Infos versendet",
+        ),
+        Err(e) => Flash::error(Redirect::to(format!("/admin/user/{}", id)), e),
+    }
+}
+
 pub fn routes() -> Vec<Route> {
     routes![
         index,
@@ -1130,6 +1160,7 @@ pub fn routes() -> Vec<Route> {
         //
         scheckbook_to_regular,
         schnupperant_to_regular,
+        schnupperant_to_scheckbook,
         change_membertype,
     ]
 }