Bamboo style fountain with pendulum movement.
Video: https://vm.tiktok.com/ZGeAgqAJD/
3x4x5 cm water pump (https://www.amazon.it/gp/product/B07MR12NH3/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1) to be inserted into the compartment under the vertical bamboo and connecting a rubber hose inside the bamboo