Freestanding platelet incubator. Unit is equipped with a rotator. The unit can be a single or dual capacity unit and can hold platelet rotators and agitators for continual mixing at 22 degrees centigrade. It has forced air circulation to maintain a uniform temperature throughout the incubator, a temperature range of 15-40 degrees centigrade, an alarm system for temperature deviations or power failure and a rotation speed of 6 rpm to maintain the viability of platelet concentrations.