The Chained Spheres are an obstacle from Rayman. The Chained Spheres are one small ball in the middle, and
Chained Cubes

Chained Spheres in Rayman Advance

either three or four balls with eyes circling around the small one. It is brown and white in color. Sometimes the Chained Spheres are used to progress through the level. Oher times they are just used to jump to another platform. There is one Chained Sphere set that pops out intead of rotating. The Chained Spheres are found in Level 5 (4 in Rayman Advance) of Bongo Hills, and level 1 of Gong Heights. Both of these areas are found in Band Land.