The most critical part, the first sentence, it not well enough written to actually explain what the toy is. Whithout looking at the references, I was not able to understand it. Also, the article is not
Ref 3 is not a
reliable source, since it does not have a publisher or author, nor any way to establish credibility. Private web sites are never reliable sources, unless it can be established that the author is a professional expert at the topic at hand.
Generally, this article is very short; yet the references seem to have amble additional information about it. I would recommend expanding the article to achieve GA. Ideas include: sales figures, halt of production dates, more on the development, reception, a technical description of they toy, etc. Researching items from the 1950s is difficult, but the use of offline research should make it doable.