I'm leaving here an image of these two bowling machines, for anyone who needs to restore the original machine or to break the dongle.
bowling champ
https://mega.nz/file/WMhExbqL#NAPHc_Vl5jm8ocd-b_JJELDvPz5Uf-g00RTQBEZK63o
family bowl 2
https://mega.nz/file/KcBGSY5Z#iOH2CqiNtzPfTLTCSl6J4UZ9sqzDD7OjoarzIIwkJKg