Repetitive bouncing up and down on the bed

Hi,

Hoping for some advice. My son is 9 and is big for his age. When we come in from anywhere he will sit on the side of his bed and launch himself up and down on the bed, so from sitting to jumping standing and back down again - sounds like thunder in the house. It’s usually whilst watching something he is enjoying on the TV.

my question is do you know of any equipment I could get that would allow him to do what he needs to do but without it sounding like Thunder or it breaking the bed.

I have a gaming rocker chair and that doesn’t help - he is very tall and big for his age so I feel limited in what is available but he clearly needs to be able to do this type of movement and it feel unfair to get frustrated and ask him to stop because it’s like a huge repetitive banging for the rest of us in the house.

Thank you