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John D. O'Bryant School of Mathematics and Science
Roxbury, Mass.
Automatic Blackboard Eraser


  • After surveying teachers in their school, students learned of several problems that teachers experienced with the blackboards including difficulty cleaning them and dust inhalation from chalk.

  • The InvenTeam’s solution was an automatic portable blackboard eraser, referred to as P.A.B.E.

  • The P.A.B.E. is composed of three parts: a top bearing, automatic eraser, and motor base, which were designed to move horizontally across the board.

  • The InvenTeam cited better pressure distribution of the eraser to be a design improvement for continued work.