This is the Infinity Raceway Set from AFX. Suitable for Ages 8 & Older. FEATURES 8.5 feet (2.6m) of running track Over-under racing Tri-power pack - 3 power levels let you race at your own speed Mega-G+ chassis Directional power pack allows you to reverse the race direction in a second with the flip of the plug New AFX 120 controllers Easy snap together track assembly INCLUDES One 15 terminal track One 15 straight track Six 9 radius cruved track 1/4 Six guard rails Two bridge - low Two Mega-G+ cars Two AFX 120 controllers One tune-up kit Tri-power pack Instruction sheet REQUIREMENTS Assembly SPECIFICATIONS Tri-power pack : Let's everyone learn at their own pace. Only AFX has it! Input: 120VAC, 60HZ, 450mA (Standard United States Current) Output: 22.0VDC 1A 22.0VA; 12.0VDC 1A 12.0VA; 8.0VDC 1A 8.0VA Running Feet (2-lane) : 8.5 Floor Space Required for Primary Track : 2' x 4' Number of Cars : 2 Number of Controllers : 2 Number of Power Packs : 1 Number of pieces of track : 8 (including terminal track) Number of Terminal Tracks : 1 Type of Chassis : Mega-G+ Guard Rails : 6 Box Size : 20 x 13 x 2.625 Weight : 5 lbs