"The ultrasonic squeaker won't harm your dog's hearing and should help with enrichment," Houpt says. Among the toys Herschel tested, the plush Crazy Hairs Hedgehog was the clear winner. While I ...

But I don't think any dog in the UK has managed to surpass 231 - making our boy the smartest. We'd buy Max a toy pretty much every week - Hector the Hedgehog, Sophia the Squirrel and Deeno the ...