Hello Kriss, congratulations on making it through the 250 box challenge!

Linework:

I can see you were using the ghosting method to plot points to plan your lines and then execute them with confidence, and it looks like your confidence and accuracy have improved considerably over the course of the challenge. Great job!

Sometimes your lines overshoot, I suggest trying out this tip from Uncomfortable, if you haven't already done so: https://drawabox.com/lesson/1/9/lifthand

Sometimes you execute a line more than once. No matter how off a line is, a student should never repeat it, they should keep the line as it if were correct and move on. I understand that this may be an attempt at adding line weight to your boxes. If this is the case, please refer to this image to see where to add it https://d15v304a6xpq4b.cloudfront.net/lesson_images/980a575e.jpg around the silhouette, and not on any of the internal lines.

Hatching- I'm pleased to see that you decided to hatch one of the front faces of your boxes for most of the challenge. While there are certainly a couple of pages where I think you rushed this step, on the whole you did a really good job of keeping your hatching lines stright and parallel, nice work.

Box Construction

Line Extenstions - You've done a good job of using the line extension method to check your convergences throughout the challenge, and missed extensions (240, 99) or extensions going in the wrong direction (208, 185(corrected)) are very rare, great work.

Convergences- These are coming along very nicely! It looks like you have a solid grasp that a box in 3 point perspective will always have their lines converge. They can never diverge, or be parallel.

Foershortening The majority of your boxes have a similar amount of (shallow) foreshortening. Make sure you practice a few boxes with dramatic foreshortening too, it is important to get used to drawing them as well. https://d15v304a6xpq4b.cloudfront.net/lesson_images/8a6189a6.jpg

Box Orientations You also have a lot of boxes drawn at similar orienteations. When following the initial Y on the Y method, the length of the lines of the Y can have any proportion, the right line can be super long and the other ones be super short etc. And same with the angles, the combination of angles between the lines of the Y are limitless, as long as the angles are always over 90 degrees. Here's a diagram that shows different orientations of boxes, so check it out to get some ideas. Keep in mind that in the box challenge you should always draw from imagination, not from reference, so don't use them to copy.

https://imgur.com/Kqg6uMX

Conclusion

Overall I think your boxes are coming along great! Feel free to move on to lesson 2.

Remember to add this exercise to your pool of warmups, and when you practice them be sure to vary both your foreshortening and box orientations a bit more.

Congratulations on conquering box-mountain, and good luck on the rest of your journey!