thinkbaby The Sippy to thinkster Conversion Kit



One of the great things about the thinkbaby system is that you can convert the baby Sippy Cups/Bottlesi nto the award winning Thinkster. Simply purchase the thinkbaby thinkster conversion kit. To convert, remove the baby sippy cup/bottle nipple and replace with the thinskter cup straw.


  • BPA free, phthalates, nitrosamines, lead, PVC, PET, and biologically harmful chemicals
  • Quickly converts thinkbaby sippy cup/bottle into the award winning thinkster
  • Designed to fit all thinkbaby 9 oz bottles
  • Extra soft, medical grade straw provides easier transition from baby bottle feeding to Sippy Cups to our straw bottle thinkster
  • Dishwasher safe

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