Define your target audience
Choose your doll concept and theme
Research the market and competitors
Decide on doll size, style, and materials
Create character profiles and backstories
Sketch initial designs and variations
Select colors, outfits, and accessories
Develop prototypes
Test for safety, durability, and play value
Refine the design based on feedback
Create packaging and branding
Set pricing and production costs
Find manufacturers and suppliers
Check legal, safety, and trademark requirements
Plan your launch and marketing strategy
Build an online store and sales channels
Collect customer feedback and improve the line