the preferred embodiment herein described is not intended to be exhaustive or to limit the invention to the precise form disclosed . it is chosen and described to explain the principles of this invention and its application and practical use to enable others skilled in the art to utilize the invention . a hollow plastic hoop 10 of translucent material has wiring anchored within to link a power source such as batteries 16 and other internal elements . there are a plurality of lights 12 arranged in strips of five lights per strip and are anchored within the tube to be visible , when lighted , from the outside of the tube . there is a multi - purpose switch 15 which switches the batteries 16 to either the light bulbs , sounder 14 and speaker or all together . the sounder is an integrated circuit , which is a commercially available circuit with one or a plurality of tone sequences , and can be energized to output through the speakers ( not shown ) to play a tune or tunes during use . switch 15 also has a position which activates inner pressure activated switches 18 so that the switches may be activated by contact with a person &# 39 ; s waist . the switches 18 activate an adjacent bank of lights . the lights may light sequentially , as is common with &# 34 ; running lights &# 34 ; or as a group . switch 15 also has a position where the lights all blink at once at a preset interval and the sounder 14 is continuously activated with the lights . there is also a position where the sounder 14 is energized along with the inner pressure switches . the invention envisions a loop 10 with power source 16 , a main switch 15 , a sounding system 14 , and a lighting system 12 . these are all interconnected by a wiring system , the wires may be embedded in the material of the hoop . the pressure switches 18 , which are part of the lighting system , are flush mounted on the inner periphery of the hoop so as to not catch on the clothes of a user . the system envisions use where only the sound system 14 is activated , where the lights 12 are activated by the individual pressure switches 18 , where the lights 12 are activated to blink together , and where the lights 12 and sounder system 14 are both activated . it is also envisioned that the main switch 15 may be replaced with an acceleration switch ( not shown ) which activates the sounder 14 and light system 12 in response to normal movement around a user , where when motion stops the circuits are deactivated .
an improvement in an entertainment and exercise device commonly referred to as a hula hoop , such improvement comprising the insertion within the tubular form of a variety of sensory appealing features , such as lighting and music .