A therapeutic training system comprising a plurality of therapeutic training devices, said therapeutic training device each comprising a shallow housing of a specific shape having a quadratic top surface, a quadratic bottom surface and four thin rectangular side surfaces, said housing comprising: an upwardly open cavity in said top surface, a flexible cover enclosing said cavity at least partially, said flexible cover having a size in the range between the size of a human fist and the size of a human foot, and defining a central part, a force sensor placed inside said cavity and communicating with said central part, said force sensor measuring the force applied on said flexible cover and generating a response signal, a source placed inside said cavity, said source either being a light source, preferably a comprises a light emitting diode, said cover being transparent and said light source being visible through said flexible and transparent cover, or alternatively, said source being a sound source, preferably a piezoelectric loudspeaker, said cover being sound pervious and said sound source being audible through said flexible and sound pervious cover, a central processor placed inside said housing for activating said sources in accordance with a specific software and evaluating said response signal from said force sensor in accordance with said specific software, and a plurality of infrared communication means located on said side surfaces controlled by said central processor and communicating with adjacent devices, a plurality of fixing means located on said side surfaces for fastening said therapeutical training device onto other therapeutical training devices, said therapeutic training devices being fastened in a specific pattern using said fastening means and communicate using said infrared communication means. an upwardly open cavity in said top surface, a flexible cover enclosing said cavity at least partially, said flexible cover having a size in the range between the size of a human fist and the size of a human foot, and defining a central part, a force sensor placed inside said cavity and communicating with said central part, said force sensor measuring the force applied on said flexible cover and generating a response signal, a source placed inside said cavity, said source either being a light source, preferably a comprises a light emitting diode, said cover being transparent and said light source being visible through said flexible and transparent cover, or alternatively, said source being a sound source, preferably a piezoelectric loudspeaker, said cover being sound pervious and said sound source being audible through said flexible and sound pervious cover, a central processor placed inside said housing for activating said sources in accordance with a specific software and evaluating said response signal from said force sensor in accordance with said specific software, and a plurality of infrared communication means located on said side surfaces controlled by said central processor and communicating with adjacent devices, a plurality of fixing means located on said side surfaces for fastening said therapeutical training device onto other therapeutical training devices, said therapeutic training devices being fastened in a specific pattern using said fastening means and communicate using said infrared communication means.