They didn't.
There are several names associated with different stages of the bicycle's development, but Leah and Sarah aren't listed.
Leah the Matriarch is the youngest of the 4 Matriarchs. There is Sarah, Rebecca, Rachel, and Leah.
armand did not invent the bicycle damien giles did
armand did not invent the bicycle damien giles did
Sarah, Rebecca, Rachel and Leah.
Sarah, Rebecca, Rachel, and Leah
In 1889 the Wright brothers and hillary james invented a bicycle with no gear known as (black mamba) in Africa, where the geared ones were produced by charley steinbeck in at Brazil in San Salvador in 1910
He didn't
The bicycle
no, Karl drais invented the bicycle in 1816 or 1817.
the ironing board
That is easy: he did not!
Yes he did