trampoline

[Dopolis]

My soon to be 5 year old daughter wants a trampoline for her birthday. We are keen to get her one as she loves trampolining. However we also have a 3 year old son and we are worried that they will fight over it constantly and whether it is a safety concern for him. Does anyone have any advice about whether we should buy one for her at this age?

We have a nearly 4 year old and a nearly 1 year old and they both love it. Together only under supervision but older one can go on her own. As younger one gets older then I suspect we will have to leave a sand timer there so they can use it more safely just one at a time.