diff --git a/pylabrobot/scales/__init__.py b/pylabrobot/scales/__init__.py
index 2958eb3e4d7..5e798de1388 100644
--- a/pylabrobot/scales/__init__.py
+++ b/pylabrobot/scales/__init__.py
@@ -1,2 +1,7 @@
-from pylabrobot.scales.mettler_toledo_backend import MettlerToledoWXS205SDU
+from pylabrobot.scales.chatterbox import ScaleChatterboxBackend
+from pylabrobot.scales.mettler_toledo_backend import (
+  MettlerToledoWXS205SDU,
+  MettlerToledoWXS205SDUBackend,
+)
 from pylabrobot.scales.scale import Scale
+from pylabrobot.scales.scale_backend import ScaleBackend