Based on this product's specifications, here are some alternatives and similar models
Dobsonian Telescope GSO DO-GSO 12" F/5 M-CRF — 12 inch aperture
Summary description:
Dobsonian reflector telescope GSO DO-GSO 12" F/5 M-CRF with a 12-inch (305 mm) primary aperture and F/5 focal ratio. Designed for visual deep-sky and planetary observation, it provides high light-gathering power and wide-field views. The M-CRF model features a mirror cell, rockerbox base and simple setup for amateur astronomers seeking large-aperture performance in a portable, user-friendly design.