The Thorium series is a modular play system with endless possibilities and functionality. This makes for convinience when designing a play system to fit your playground. In Thorium Polonium, you have a complete obstacle course, playground and a meeting place full of exciting activities and fun. This system contains a high tower of 6 meters! It also includes slides, spinners, monkey seats, overhead rings, suspension bridges, stair, ribbed walls and bouldering walls. The transparent design makes for a great overview of where the children find themselves in the system.