What did they do and when
What item do we use to make something that we use every day in school last longer?
Who made this item?
What is a pencil Sharpener
What is John Love
What invention helped to sleep and store in a compacted space?
What is Floiding Cabinet bed?
Who made the first blood bank?
What was the successful surgery that a black person did in 1893?
What is heart surgery?
When was the first blood bank made?
What is 1941?
What year did Garrett A. Morgon invent the traffic single
What is 1923
How many inventions did Richard Spikes make?
What is eight