Features:

• O-Gauge
• Die-cast sprung trucks
• Die-cast operating couplers
• Metal ladder, handrails and brake wheel
• Clear tank with "reactor fluid" inside
• Length: 10-1/2"  

The "reactor fluid" has a purple color and you can see the swirling colors in the tank.

The box has some moisture stains on it but the tank car was not affected and is in new condition.