Yes definitely worth it!! We got one that could fold up for easy storage. Got lots of use out of it and it was great for helping with getting her to role over and sit up. Yookidoo Baby Play Gym Lay to... https://www.amazon.com/dp/B079M24ZGD?ref=ppx_pop_mob_ap_share
We got the same one as @Emily and our little one goes on it every single day and has since I wanna say around week 3 or so. She’s 12 weeks now. Definitely recommend it!
Totally worth it. This is the one we had https://amzn.eu/d/dmEQXKj If you get one, it’s better to get one like this as it’s black and white, then becomes colourful too rather than the aesthetic ones as this type will stimulate baby. He’s 12 months now and still plays with the hanging toys, we just have them detached now