This is a educational construction kit assembled from various materials (plastic, metal, etc.).
A versatile four-channel wire remote controller for controlling your own creations built from Tamiya's Educational Construction Series parts, like robots, bulldozers, tanks, or whatever you can imagine! The four sticks can can individually control up to four motors. Voltage is switchable from 3V to 2V for precision control. Control sticks and hand grips are ergonomically designed for comfort and ease of operation. The eight individual control cords are bound within a flexible clear tube to prevent obstruction while operating your models. Can use two types of batteries (R20/D/UM1 or R14/C/UM2, not included). An assembly kit.