#$%^&*AU2017100970A420170817.pdf#####Abstract The present invention relates to a three-dimensional changeable maze apparatus for small animals in box, knockdown, and modular form, which utilizes (a) interlocking and interchangeable elements, (b) interchangeable or rotatable planar surfaces, and (c) rotatable modules in modular form to vary the maze routes and adjust the level of complexity.Panel Clip Panels Connected to Frame Cross Section of Panel clipped to Frame