Estes Porta-Pad II Launch Pad and Electron Beam Launch Controller (2222)The Launch Pad comes complete with blast deflector, standoff stem, two piece 1 8 in. launch rod and launch rod cap. Launch direction may be adjusted 30 degrees from vertical and can accommodate a 3 16 in (5 mm) Maxi Launch Rod sold separately. Minor assembly required and no glue or tools are needed. The Launch Controller comes fully assembled with 17 ft (5. 2 m) of cable and requires 4 new 1. 5V AA alkaline batteries sold separately. A GREAT