I bought it at pets place here in NL, it's from the brand Trixie. I have an amazon link: https://www.amazon.com/dp/B0054VEWB8/ref=cm_sw_r_cp_api_i_9V1F97TGNA7G84RX95X3

I got them from Amazon, haha

TRIXIE Rabbit Snack Board,... https://www.amazon.com/dp/B0054VEWB8?ref=ppx_pop_mob_ap_share

Niteangel Treat Ball, Snack Ball... https://www.amazon.com/dp/B0796TPZW7?ref=ppx_pop_mob_ap_share