<p>I got the XR model for my Chemistry class, new, out of the box, batteries included from a seller on Amazon for $24. Works perfectly well, and I love it, AND cheaper than the NXT or the app. Just tossing in my two cents.</p>
<p>Love is a strong emotion for a clicker!</p>
<p>Sounds like I was one of the a few listened to the B&N guy and bought the $50 device. </p>
<p>We had a big discussion over this with Buckles too.</p>
<p>No, @4beardolls, we spent the $50 as well. Didn’t realize there was another option.</p>