**No purchase necessary. This promotion is available only to life science professionals 21 years or older in the US (excluding Puerto Rico) and Canada. Free Gibco pin is available to eligible participants who register and share a story on this request website (thermofisher.com/gibcogiveaway) no later than December 31st, 2021 or until gift supplies are depleted, whichever comes first. The estimated value of the pin is $5.00 USD. One free gift per person. Healthcare professionals may not participate in this promotion. All entries and their content must be in the English language and will become the property of Life Technologies. Entries with profanity, threatening language, or demeaning content will be excluded. By registering, you warrant that you are not prohibited by employment, contract, law, or professional code of conduct from accepting a gift from Life Technologies. Offer void in where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.