So the story is I bought five of these tubestock for $5 around August/September 2019. I was only a year in to bonsai as a hobby at the time. I Potted them into some larger pots and twisted some movement into them, as you can see in the earliest photo I took. Two of them were bent down to train into cascades. Before too long the wire started to bite in pretty hard, so I removed it. I put them to the side and never reapplied wire to the trunks

As you will see in the next photos which were August 2020, the movement I initially put in to the trunks straightened out quite a bit and the two cascades bounced back to upright trees

At this stage I gave them all a repot and tried to tidy up the surface roots and lay them out better. They all had a healthy mycorrhizae growth around the roots. You will see one of the pines that is singled out I tested repotting earlier than the others which it didn’t like and in turn was set back for a while hence the much skinnier trunk.
It has now been almost 3 years and they have started to fatten up, and are growing vigorously. I just need to make some decisions for the direction I want some of them to head in moving forward.
October 2019 Initial movement
Late 2019 on the bench
August 2020 After Repot
August 2020 the one repotted too early that was set back.
September 2022
September 2022
Sept 2022 (the skinnier set back one now bouncing back). Thinking Literati for this one.
Sept 2022
Sept 2022
Sept 2022
Sept 2022. Thinking about cutting the main trunk and using that strong low branch as a new leader.
Sept 2022 Trunk