diff --git a/ToDo.md b/ToDo.md
index f9c0943..7e412ab 100644
--- a/ToDo.md
+++ b/ToDo.md
@@ -6,7 +6,7 @@
 - [ ] which uC?
      - [ ] what kind of SW?
 - [ ] battery + loading circuit
-- [ ] NFC reader
+- [ ] NFC reader (ISO 14443-3A) (NXP-NTAG216) (888 Bytes needed!)
 - [ ] internet access (wifi? gsm? tethering via BT?)
 
 ## Case
@@ -17,4 +17,27 @@ Candidate: https://www.printables.com/model/911614-pokedex
 
 # SW
 
-- [ ] 
\ No newline at end of file
+- [ ]
+
+
+# Design stages
+
+## MVP
+
+- NFC scanner, display
+
+## Navigation
+
+- Buttons
+- List of past scans (Creaturedex)
+
+## Cloud-Leaderboard
+
+- Connected to official Creaturedex
+- Scans/User shows up in leaderboard
+- Wifi
+
+## Stretch goals
+
+- separate scanner device (Pokeball)
+- GSM support
\ No newline at end of file