Rota road apparatus - latest with digital counter for determining neuro-pixicity, muscle tone, balance and motor co-ordination in rats and mice. Consisting of two or three or four compartments of 75 mm width each with a rotating rod of 25 mm diameter having speed of 5, 10, 15, 20 and 25 rpm with time interval counters in each compartment. Four compartment features: driven by a d. C. Drive in variable speed to the apparatus. The compartment is divided by a transparent acrylic sheet. Sturdy m. S. Frame covered with powder coating gives a fine look to apparatus. Digital timer control panel.