From its opening credits, [it] proclaims its hand-drawn, delicate, watercolour aesthetic. But it's not all sweetness and light: there's a dark strand of humour and some sly visual gags in this clever tale of opposites.

Two styles combine to create a world at once impressionistic and lived in, infused with the kind of warm glow which emanates from a cosy fireplace.

Ernest learns to share, Celestine learns to a paint - and the audience learns that in a Disney-dominated marketplace, kids are still free to choose their own mini mouse.

...a lovely piece of hand-drawn work from directors Stéphane Aubier , Vincent Patar and Benjamin Renner, and this subtitled version is a pleasant diversion for kids of all ages...