Welcome to the Tank, Little Guppy. Every big fish starts somewhere. This bodysuit features our brand-new "The Why Files" logo, reimagined with a softer, youthful energy for the next generation of researchers. Whether they’re staring wide-eyed at the world’s mysteries or just focusing on their next bottle, this bodysuit is the perfect official uniform for your new sidekick.

• New guppy-inspired The Why Files design.
  

• Fabric blends: Solid colors - 100% ring-spun cotton; Polyester is included for heather colors.