define what u understand with the word''drums''...did u mean floor area occupied by normal drum kit or radius? or u want to know the size and dimensions of each instrument e.g bass drum, snare, cymbals?i think that normal drum kit would occupy an area of 2mX1.5 m. with electro drums might be different
Product Information : Millennium HD-100 E-Drum Set
Manufacturer's product description
Millenium HD-100 Electronic Drum Set - 100 high-quality recorded drum and percussion sounds, 10 preset and 5 programmable drum sets, 30 preset patterns and 1 user pattern, integrated metronome with programmable click. Includes bass drum pedal, stereo zone snare pad, 3x tom pads, ride & crash pads, hi-hat pad, hi-hat controller. Stereo mini-jack connectors, USB connection. Includes power supply. Drum stool and headphones not included.