Hi our puppy is 8 months old we bought a large ball ice maker from amazon £2.99 we freeze 4 ice balls put one in our whskie and one in her water bowl we roll it round in the water (so her tongue does freeze to it) and she loves it she chases the ice ball round her dish trying to catch it and drinks loads of water the ice ball takes ages to melt as it is approx 2 and half inches big hope that helps. Audreys Mum |