SMARTfloor Puzzle starter set expansion to a set of 4

The SMARTfloor Puzzle starter set expansion to a set of 4 expands the SMARTfloor Puzzle starter set with 2 sensor fields and 7 edge strips, 3 keyboard mats, and a SMARTfloor PlayBox for powering the sensor fields and connecting to a TV, projector, or monitor. Everything is stored compactly in a sturdy carrying case.