[BAracer]

How can it not be fast...?

Typical Quality Parts

1. Flexible front end suspension for better cornering.
   
   
2. Tapered axle – matched to wheel hubs – for perfect wheel alignment. Fits ALL cars.
   
   
3. Hi-efficiency COX gear. Metal core, teeth of extremely tough, low friction, exotic space age material.
   
   
4. Chassis of diecast magnesium – half the weight of the usual aluminium.
   
   
5. Finely detailed wheels of diecast magnesium.
   
   
6. Accurately scaled racing tires with lots of dig.
   

Superflex lead wires (not shown) supplied with both X100 and X200 COX Motors.
— , Cox, , Boys' Life, , November 1965


Oh dear, I've come over all 'vintage'!