Question: objects that are 40 cm long?
Answer: It's about seven-and-a-half times as tall as a Golf Tee. ... 
It's about one-tenth as long as a Beetle (Volkswagen). ... 
It's about one-fifteenth as tall as a Giraffe. ... 
It's about one-twentieth as long as a London bus. ... 
It's about one-thirtieth as tall as a Telephone Pole.