About this 3D model

I believe that my son is the first one to invent anything like this. The goal of the puzzle is to guide the peg through the maze starting at one end and making it to the other while the cover is over it to make it more difficult. Explanation Video: https://youtu.be/CAaWpeYNA8I Designing Accomplished using Fusion 360 ALL OBJECTS DO NOT NEED SUPPORT Times To Print: Maze: About 4 hrs Box: About 7 hrs if done at slow speeds which is recommended Peg: About 20 mins