... portable soft key drum, electronic drum, roll up drum, soft drum, silicon roll up soft drum. USB Roll-Up Drum Kit Model: ... ll do instead is offer to sell you this roll-up drum kit that plugs into your USB ... pads for a snare, two toms, a bass drum and two cymbals* 50 percussion sounds, 20 preprogrammed ... percussion sets and 100 preprogrammed beats* Drum mat is flexible and can be rolled up ...