Launch the big boys with the Estes Porta-Pad E Launch Pad. The Porta-Pad 'E' Launch Pad assembles quickly and easily, with no glueing required. The Porta-Pad E Launch Pad comes with a ¼ in. (6 mm) launch rod, but can accommodate an Estes 3/16 in. (5 mm) Maxi Launch Rod (not included). Recommended for ages 18 and up. Adult supervision required for anyone under 18, when launching “E” powered rockets.