We are slowly trying to incorporate some Montessori approaches in our everyday activities. Drinking water from glasses (not plastic) is definitely one of them.
You may notice that Zwi is wearing an amber necklace. Ronia has one too. The theory is amber has healing properties and can help relieve the pain of teething. It has a release on the clasp so it will break if it gets caught so there is no possible harm in wearing the necklace.