Update 31st May- it's back again! 400 uses again :)
The Entertainer have a promo running right now and you can get a voucher for £10 off a £50 spend.
All you have to do is login with Amazon to get your voucher. I just tried it and it works, though it's limited to 400 uses apparently.
Now would be a great time to grab those summer toysLots of offers - including upto 50% Off Paw Patrol Crazy Clearout