Interactable Gravity Bin

Hey there community!
I’m not sure if i am in the right forum, but i need some help.
I’m using UE4 in architectural visualization to present a store project for my client in VR using a HTC Vive and he wants an interactable gravity bin.
I’m still learning blueprint basics like opening doors, turning lights on-off and changing materials.
Any idea on how i should do something like that?
Maybe make it like a faucet but instead of water, grains come out? Or maybe create some sort of container that pours its contents on the push of a button?
Anything helps. Links to other posts, tutorial videos, marketplace items.

Thanks in advance!