Student Response Devices
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    • #29611

      Hello and thanks for your help.

      I have had ActivExpression 2 devices for many years now (so any warranties are long gone) The backs of them are made of rubber and are getting stickier and stickier as time goes by, especially after they haven’t been used for a while. Are there any replacement backs to the controllers and if there was anything that wasn’t rubber, that would be wonderful. It’s getting embarrassing when students are trying to choose the least disgusting controller.

      Or does anyone know of any stl files for the back of an ActivExpression 2 controller? I have a 3D printer so I could make them myself.

      Thanks for your help.

    • #29616
      Craig PrometheanCraig Promethean


      Thank you for your post.

      We do not sell spare backs for the ActivExpression devices. You may be able to source them online. Also, we do not have an STL file to share for you to create your own replacements.

      It may be worth looking at a different cleaning solution or coverings if the devices have become sticky.

      Thank you,


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