Hello there,
to make this fidget cube work you need to add the following pices
https://www.amazon.it/gp/product/B09WYRHPDL/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8
https://www.amazon.it/gp/product/B08CY6PSP8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8
https://www.amazon.it/Interruttore-tastiera-meccanica-montato-NewGiant/dp/B08GNXM3VK/ref=sr_1_15?__mk_it_IT=%C3%85M%C3%85%C5%BD%C3%95%C3%91&s=electronics&sr=1-15