This item is a injection plastic and metal radio or remote-controlled car model.
Assembly Guide
Kyosho's Mini-Z "readysets" come complete with car and controller--you need only to insert the batteries (not included), and go! Comes with a wheel-type PERFEX 2-channel radio and four different size pinion gears. Kyosho's superb engineering allows for overall tight, realistic control. The car runs for about an hour on regular dry-cell batteries. Requires four AAA batteries and eight AA batteries (not included).