I would just train them at the same time as kids learn from example and want to copy. Follow their cues, lots of praises and neutral response on accidents.

What ever you do don’t stress, they come around eventually and don’t force as it takes longer, I found pull ups and after drinks take them to the toilet, when they have done something praise them, even put a sticker chart for each boy on the door so when they have been they can put a sticker and at the end of the week give them a treat.(any treat you want even like a movie night that they choose the movie) positivity is the key.

Depends on their age the Fruit Loops works for boys and girls.
Kids get freaked out at high some toilets are. They feel like they will fall in.
Get two potty chairs sit them in them in the bathroom or laundry and read to them until
their job is done. Buying their potty with them is the first step and some stickers and or a seat that fits inside your toilet seat might work. But make sure you sit there with them to give encouragement. Kids catch on real quick. Hi-Five for a good job. Stickers work. You can find free printable charts on line. Best of luck!

couple of Fruitloops cereal in toilet bowel, all of a sudden we have a great aimimg game, turn it into a competition for the boys….who can sink the most “boats” each day?? Might encourage trips to loo!

I have just toilet trained my twins (b/g)
I was so worried about doing 2 at once!
I put their potty infront of the tv when it was their hour tv time and I wrote down what time they went to the toilet then from then I took them around the same time ( i worked out they went almost every hour)
took their pottys away and took them to the toilet every hour
one got it quicker then the other so i focus on that child more and got them comfortable so then I only had the other one to focus on and they pretty much followed along.
After a few accidents but lots of praise they go it. Sometimes they need to go at the same time so i let one use the potty but they are pretty good now and its been about 6 months.
Persistence, patience and consistency is the key