HOW DO I OPEN THE BATTERY COMPARTMENT?
This technique works for WonderFlex, NuFlex, and MiniFlex 2 models. Please contact us if this technique does not work:
1) Open the battery compartment by pushing outwards with both thumbs on the compartment cover.
2) If that doesn't work, nudge the battery cover open with a dime at the base of the u-shaped cover as shown below:
If these methods do not work, please CONTACT US so we can assist you.