Following leaked images on Instagram and elsewhere, Singapore Lego Certified Store 'The Brick Shop' has uploaded this new set on its website. Pre-orders are now live, with the product scheduled to ship on 1st October 2024. It's made up of 1214 pieces and is priced at S$209.90.
It's called the 'Mario & Yoshi' set and appears to have a mechanism at the back, which moves parts of Mario and Yoshi, including Yoshi's mouth. You can see this in the images below: