Radial Aquatic Maze, 6-Arms Radial Aquatic Maze - 170 cm Pool, model LE7721208 is manufactured by Bioseb The BIOSEB radial maze consists in a central area with eight sliding doors giving access to eight equally-sized arms. Each arm has lateral walls with a height higher in the proximal side of the arm than in the distal side. This test is built of two BIOSEB products: the radial maze and the circular pool. The circular pool is manufactured in polypropylene and stands on a support with 4 wheels for easier displacement.