Meet the DesignNest MagnetCubes: a set of magnetic modular cubes that you can attach together to build complex marble runs. No need to use glue or any connectors get started. The cubes are transparent, so you can see all the action. This particular set comes with 64 MagnetCubes, 32 panels, 32 clips, 2 loops, and a total of 168 pieces.
This set has enough pieces for you to build a variety of tracks. It helps your kids work on their creativity and problem solving skills. Each cube measures 1.7 x 1.7 x 1.7″.