Transform the fun puzzle into a challenging marble run and back! The 2-in-1 magnetic puzzle run offers you various play options. All components are magnetic, so you can put them anywhere on the fun background. Would you like one long marble run, or a marble run that splits? You can have whatever you like! Let your creativity and imagination run wild. Includes 5 marbles. Mini puzzles - The mini puzzles are a series of funny shape puzzles in a beautiful round box. The perfect gift for puzzlers aged 3 and over.