Niteangel Multi-Chamber Hamster House Maze: - Multi-Room Hideouts & Tunnel Exploring Toys for Hamster Gerbils Mice Lemmings https://www.amazon.com/dp/B083S6W3MG/ref=cm_sw_r_cp_api_glt_fabc_S8PYVHRTSQYSR4TKJG3E?psc=1

Wanted to add this in case you couldn’t find it.