If you just want the code without the box, it's available from the Ubisoft Store for £10.50 using code SWITCH25:
store.ubi.com/uk/rabbids-party-of-legends/62552f6f7307947ea363c906.html
You'll get £1.75 back in gold coins either way. (edited)
store.ubi.com/uk/rabbids-party-of-legends/62552f6f7307947ea363c906.html
You'll get £1.75 back in gold coins either way. (edited)