Get your favorite symbol or sign.
An e-commerce site, selling a huge variety of symbols and signs made in different materials, sizes and styles.
Teach kids business and entrepreneurship in a fun way.
A business selling “franchise” kits to parents and their kids. These include teaching materials on how to build the business: basic definitions, functions, how to start, how to plan, marketing materials and principles, etc. Different “franchises” can be bought, for particular age groups and interests.
As we live longer and better, we have new needs and interests.
A publisher specializing in literature – both fiction and non-fiction – for the 70 years old and above.
You have fiction for young adults, as well as “educational” non-fiction, but not many books that deal with current topics or serious adult topics like, finance, marketing, philosophy, etc.
Publish books on subjects that matter today – the same topics adults find interesting and read about – written for kids.
A tourist attraction.
Build a bridge-crossing ride on the side of existing bridges with a nice view (hills, rivers, etc.) You get into a transparent pod and ride to the opposite side of the bridge.