From glass sippy cups to stainless steel sippy cups, you may be wondering what are the best sippy cups for toddlers or babies? With so many sippy cups for toddlers to choose from it can be difficult to decide which one is best for your toddler. Sippy cups can be an encouraging way to teach your baby or toddler to drink from a cup. Sippy cups can also help with oral development. I started giving my twin babies sippy cups when they were around 6 months old with a tiny amount of water (only around a tablespoon or two…