diff --git a/bingo.py b/bingo.py
index f13418d..1b66823 100644
--- a/bingo.py
+++ b/bingo.py
@@ -2,10 +2,12 @@
 
 from textual.app import App, ComposeResult
 from textual.widgets import Header, Footer, Input, Label, Static, Button
+from textual.widget import Widget
 from textual.message import Message
 from textual.color import Color
 from textual.containers import Horizontal
 from textual.validation import Number
+from textual.reactive import reactive
 
 from asyncio import sleep
 
@@ -16,6 +18,7 @@ class BingoField(Static):
     """A Bingo field widget."""
     
     cursor_x, cursor_y = 2, 2
+    text = reactive("temp")
 
     class Selected(Message):
         """Send message to the board containing clicked field info"""
@@ -25,10 +28,10 @@ class BingoField(Static):
             super().__init__()
 
     def __init__(self, num, text: str) -> None:
-        self.text = text
         self.num = num
         self.selected = False
         super().__init__()
+        self.text = text
 
     def on_mount(self) -> None:
         self.styles.content_align = ("center", "middle")
@@ -72,59 +75,79 @@ class BingoDisplay(Static):
         """Create child widgets for the app."""
         self.board = BingoBoard()
         yield self.board
-        input_field = Input(
+        self.input_field = Input(
                 str(self.board.seed),
                 type='integer',
                 placeholder='UNIX timestamp',
                 max_length=10,
                 classes='seed_input',
                 validators=[
-                    Number(minimum=1000000000, maximum = int(datetime.now().timestamp()))
+                    Number(minimum=1000000000, maximum = 2000000000)
                 ]
         )
-        input_field.border_title = 'Seed'
+        self.input_field.border_title = 'Seed'
         yield Horizontal(
-            input_field,
+            self.input_field,
             Button('re-roll', classes='roll_btn'),
             classes='bottom_line'
         )
 
-class BingoBoard(Static):
-
-    fieldstate = [False for _ in range(25)]
-
-    fields = [
-        'Datenelch',
-        '6 Stunden Schlaf',
-        'Tschunk getrunken',
-        'Spaß gehabt',
-        'Sticker getauscht',
-        'DECT genutzt',
-        'Hardware gehackt',
-        'Kabel vergessen',
-        'Halle gesucht',
-        '$dinge gelötet',
-        'an SoS teilgenommen',
-        'Neue Leute kennengelernt',
-        'Wasser getrunken',
-        'Waffel gegessen',
-        'Corona Test gemacht',
-        '2 Mahlzeiten gegessen',
-        'Fairydust bewundert',
-        'Talk angeschaut',
-        'CCC Merch getragen',
-        'getrollt',
-        'In der Lounge getanzt',
-        'Etwas Neues ausprobiert',
-        'Maske getragen',
-        'geduscht',
-        'Gulasch gegessen'
-    ]
-    
-    # get rng seed from current time
-    seed = int(datetime.now().timestamp())
-    random.seed(seed)
-    random.shuffle(fields)
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        """"""
+        # reroll
+        self.board.roll_board(int(datetime.now().timestamp()))
+        self.input_field.value = str(self.board.seed)
+
+class BingoBoard(Widget):
+
+    fields = reactive([], recompose = True)
+
+    def __init__(self) -> None:
+        self.fieldstate = [False for _ in range(25)]
+        super().__init__()
+        self.fields = [
+                'Datenelch',
+                '6 Stunden Schlaf',
+                'Tschunk getrunken',
+                'Spaß gehabt',
+                'Sticker getauscht',
+                'DECT genutzt',
+                'Hardware gehackt',
+                'Kabel vergessen',
+                'Halle gesucht',
+                '$dinge gelötet',
+                'an SoS teilgenommen',
+                'Neue Leute kennengelernt',
+                'Wasser getrunken',
+                'Waffel gegessen',
+                'Corona Test gemacht',
+                '2 Mahlzeiten gegessen',
+                'Fairydust bewundert',
+                'Talk angeschaut',
+                'CCC Merch getragen',
+                'getrollt',
+                'In der Lounge getanzt',
+                'Etwas Neues ausprobiert',
+                'Maske getragen',
+                'geduscht',
+                'Gulasch gegessen'
+            ]
+
+        self.roll_board(int(datetime.now().timestamp()))
+
+    def roll_board(self, seed):
+        print('rolling board.')
+        self.seed = seed
+        random.seed(seed)
+        self.fields = random.sample(self.fields, len(self.fields))
+        print('board after shuf:')
+        print(self.fields)
+
+    def watch_fields(self, new_state) -> None:
+        print('watch_fields: called')
+        self.fieldstate = [False for _ in range(25)]
+        for idx, field in enumerate(self.query(BingoField)):
+            field.text = new_state[idx]
 
     def compose(self) -> ComposeResult:
         """Create child widgets for the app."""