the 15/02/19 :
We have two girls at school age 4 and 6 (Rose and Elsie). Both are used to babysitters and have had people looking after them overnight before too.
Looking at 28th Feb (or Sun 3rd March, see below), pick up from school, sleep at ours and take to school next morning. We have a very clean house, with a spare bedroom with an en suite.
If school pick up on the 28th Feb isn't possible due to your work, I can try and get the childminder to look after them until 6pm or something and you could...