These companies help with development and marketing for an upfront fee or a share of future royalties:
InventHelp : Provides submission services and technical drawings. who buys invention ideas
These corporations have dedicated systems for individual inventors to submit ideas in specific categories: These companies help with development and marketing for
Hasbro and Spin Master are known for licensing external toy designs. and licensing assistance.
Davison : Offers product development, 3D modeling, and licensing assistance.