Two job offers

[Jamja]

I was offered a midday assistant job offer which I accepted and the ball is now rolling with regards to having a dbs check. Two days later another job I’ve applied for has more or less offered me a 3 day a week position along side doing a level 3 childcare course which is originally what I wanted. Problem being the midday position offered is my children's school and I feel terrible to let them down.
is it unreasonable of me to now take the new job offer after accepting the midday position.
thanks

What do you more or less? They either have offered or haven't?

Take the new position that you want more.

By more or less I mean she’s told me what she can offer but it’s pending a informal chat in the next couple days to make sure we’re both happy with hours days etc