The Gym Time Linking Beam has 4 sides which all offer something different for developing balancing and weight transference skills. Side 1 is 10cm wide with a plain wooden surface. Side 2 is 20cm wide with a carpeted surface. Side 3 is 10cm wide with a raised tread surface and side 4 is 20cm wide with red yellow and green traffic light circles. It can be used as a stand-alone product on the floor, inclined or as a linking element between trestles and tables. ;. The beam can link between various apparatus or can be used on the floor. Lightweight and can link to all standard gymnastics equipment, such as wall bars. Endorsed by British Gymnastics.