We're not sure why but we really want some of this.
Kinetic Sand from WABA Fun is the toy that does... well just watch the video.
The odd yet captivating stuff is billed as "the first product that breathes motion" and is a "magical and mesmerising experience".
It's 98 per cent sand and the rest is a "non-toxic polymer". If you want some - which you do - you'll have to order it from America for now.
It's also gluten free. Which is good to know...