Mini or maxi micro scooter?

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Some heartless sh!t stole DS's mini micro scooter out of our porch and I can't decide whether to replace it or trade up to the maxi micro. He's 4 and a half and average height (105cm). Is he too small for the maxi?

My DS got his for his 5th birthday after his mini micro also got stolen

My dd is 3 and 100cm tall and manages her elder brothers maxi micro fine. She has her own mini micro but will ride either.

I would get the maxi micro.

And grrr to heartless bastard that stole his scooter.

Thanks! Bought the maxi and he seems just fine on it. Will never leave in the porch again!