Based on this product's specifications, here are some alternatives and similar models
Tennis Set Enero Swingball Rotor Spin – outdoor tethered ball training set
Summary description:
Enero Swingball Rotor Spin is a tethered tennis practice set designed for solo or partner training. The set features a rotating rotor and a ball attached to a cord for continuous hitting without chasing balls. Intended for outdoor recreational play and basic stroke practice, it helps develop timing, coordination and consistency in forehands and volleys.