https://www.walmart.com/cp/baby-registry/1229485 -click the baby welcome box link on the left side  and fill out the form to get a Free Walmart Baby Welcome Box. If you’re on a mobile device you might have to request the desktop mode in your browser to get it. – Update – still available

https://app.sampler.io/your-baby-club/ -register or login with your sampler account to see if you qualify for free samples from your baby club.
https://app.sampler.io/daddysdigestprogram/ -register or login with your sampler account to see if you qualify for free samples from Daddy’s Digest.
https://app.sampler.io/total-beauty/-register or login with your Sampler account to see if you have any samples available.

https://vivviandbloom.com/?customer_posted=true#contact-form -scroll down, click the sample option, and fill out the form to a Free Vivvi & Bloom Baby Product Sample.

https://www.carters.com/on/demandware.store/Sites-Carters-Site/default/Sweepstakes-Show? -fill out the form to get a Free Carters Little Chiefs Fan Bodysuit. First 1,000.

https://app.sampler.io/target-gerber -login with your sampler account or register to see if you qualify for a Free Target Gerber Baby Gift Box.

https://staging-huggieskit.stoplightinteractive.com/mockup? -fill out the form to get a Free Huggies Boys Potty Training Kit.

https://www.cuties.com/where-to-buy/free-samples -enter your email and click the link in your email to request a Free Cuties Diapers Sample. –Update -working again

https://www.neocate.com/shop/request-samples-consumer.aspx -copy/paste the link and fill out the form to get a Free Neocate Baby Formula Sample.

https://firstresponsepregnancyhub.socialmedialink.com/members/sign_in#/ -the first 500 who earn 40 points on the welcome mission will get a Free First Response Pregnancy Kit.