Here is the manufacture’s customer support page: https://www.spinmaster.com/contact-us.php?userLoc=us&display=customer_service_info
You can also search on ebay: https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313.TR0.TRC0.A0.H0.Xzoomer+dino+replacement.TRS1&_nkw=zoomer+dino+replacement&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=zoomer+dino+remote+replacement&LH_TitleDesc=0