Thanks for uploading this beautiful study! This is a very good little piece for the left hand position, because if you always use 4. and 3. finger on B and D on 3. and 2. string, you have to keep your hand on a good position - of course, if...
Then also the articulation will be same all the time.
Pay attention to counting the time carefully on bars with pauses, because they tend to stay a little short. I use this study even with some kids under 10 years, but then they have to be extra patient costumers
. Sorry for this "pedant" comment