Happy birthday, 'Baby On Board!' sign

An estimated 10 million yellow caution signs have been sold in the last three decades.

Custom Baby Shower Welcome Sign Board Mosaic Customized Personalized Welcome Baby Shower Sign for Baby Shower Birthday Decoratio - AliExpress

Monthly Baby Milestone Chalkboard, First Year Boy and Girl Age Tracking Growth Sign (11.6 x 15.6 In)

EDITABLE First Birthday Milestone Sign, Modern 1st Birthday Milestone Poster, One Year Photo Baby Milestone Board, Printable Template. M004

Boys 1st Birthday Chalkboard Sign Green Blue printable

Head in the Cloud Baby on Board Sign

Book Nursery Rhyme Baby Shower Welcome Sign, Party Board, Birthday Poster, Editable Template Instant Download 18x24, 24x36, A2 & A1 NRHY01

Birthday Board Balloons - Chain Valley Gifts

Custom Design Welcome Board Sign Personalised Birthday, Christening, – Dinky Designs

Stick Kids Happy Birthday Mini Bulletin Board – Creative Teaching Press

Baby Milestone Board Birthday Board: Celebrate Monthly Milestones + Birthdays With Unique Double-Sided Chalkboard Sign

Custom Cute Baby Bear Welcome Sign with Picture for Birthday Party - 1st Birthday Party Welcome Signs - Personalized Happy Birthday Entrance Sign with Picture and Customizable Text (PVC Board) : Baby