Want to turn that stainless steel water bottle into a sippy cup for your toddler? The folks over at Klean Kanteen are offering up some adapters from Avent that will convert your water bottle to a spill-proof, BPA-free, toddler-friendly version. The total package costs about $9. We love it just because it’s one more use for all those water bottles you might have lying around. Check it out here.

via re-nest