17 Answers

In my humble opinion it's got to be a doll , people have had them all done the ages ..

My guess would be Barbie doll!

I'm leaning towards "yo-yo" or "marbles".  Let's see if someone can find out for sure.

Forbes rates this as the most popular toy during the 1910s:

I have one!

Check out this website; you can find the most popular toys by decade 

http://www.time.com/time/specials/packages/0,28757,2049243,00.html 

How about the Frisbee?  

maybe the lowly Mr. Potato Head, from little RI? 

My choice would be a Teddy Bear but I am not sure if that counts as a toy. Please tell me. One for the rich might be a Toyota.

My own first toys that stick in my memory are the rocking horse and spinning top.

Hmm . "TOY BOY !!

Here is a fun list..

http://www.time.com/time/specials/packages/completelist/0,29569,2049243,00.html

Actually, many parents would be surprised to learn that some of the most popular toys today have been around since they were kids. From Tonka Trucks to Play-Doh, the toys that were popular then remain so today, topping holiday wish-lists and generating millions of dollars in revenue.
No toy demonstrates this than the ever-popular Barbie doll, which was rated girls' #1 most asked for toy last holiday season. Yet these dolls have been around since 1959, when a woman named Ruth Handler decided her daughter would have more fun with three-dimensional dolls than the paper dolls she was used to. Within a year, Barbie dolls became the highest-selling fashion doll in history from wicki

My favourite was by far and away my pedal car. It was a replica Austin A40 and was purchased at an auction by my father for 2 Pounds.

....guessing : Legos

No research involved but I remember seeing a lot of these around.

Ducky

So much fun from such a simple idea!

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