It means Francis,13, who has the serious bone infection osteomyelitis, has to wait until Wednesday to go back to Tawfiq Hospital, Malindi, instead of going for an appointment today.
Once the leg brace, which will support his leg and hip, is ready he will undergo an operation to do a biopsy and to remove some dead bone.
The brace will be essential, as he will be non-weight bearing after surgery while the bone heals.
On Saturday morning, Papa adjusted the crutches to suit Francis and then Mama talked him through using them - Francis laughing and smiling his way through and his the kids clapping him on!
He also joined Mama for today's video in which she gives us the latest update.
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We are so grateful to each and every one of you who has made a donation towards his care, we hope there may be others who would like to help. Any amount, no matter how small, will help get Francis back up and running like a 13 year old should be.
To donate please go to: https://www.justgiving.com/campaigns/charity/childrenofwatamu/get-francis-well