I was surfing this morning and found this:
http://www.littleacornstomightyoaks.co.uk/Klean%20Kanteen%20Sippy.phpWay cool!
Lets just say we are picking up a few... The boys will now have their own Klean!
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"One should not increase, beyond what is necessary, the number of entities required to explain anything"
William of Ockham (1285-1349)