Brabham BT24 Silvio Moser Monaco GP 1969 1:43 scale Spark Resin Model This Brabham BT24 (Monaco GP 1969 driven by Silvio Moser) resin model is orange. It is made by Spark & is 1:43 scale (approx. 10cm / 3.9in long). This model also comes in its own display case to keep it in perfect dust free condition.