Alien bomb prop and retracting cellphone from Roswell. (WB-TV, 1999-2001) Pyramid-shaped alien prop bomb which floats through the abandoned house and detonates in Episode #19 of Season 2. Constructed of plastic and plexiglass and wired for illumination lighting up with either a constant glow or strobe effect. Includes a custom-built retractable cellphone constructed of a machined aluminum housing and illuminating keypad operated by a switch on the back. A wonderful group of original screen-used props from this popular series.