diff --git a/lib/model/steps_series.dart b/lib/model/steps_series.dart
new file mode 100644
index 0000000..2b3ee3c
--- /dev/null
+++ b/lib/model/steps_series.dart
@@ -0,0 +1,13 @@
+import 'package:charts_flutter/flutter.dart' as charts;
+
+class StepSeries {
+  final DateTime date;
+  final int steps;
+  final charts.Color barColor;
+
+  StepSeries({
+        required this.date,
+        required this.steps,
+        required this.barColor
+      });
+}
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