That Stanley in the link looks like the same as a friends 10yr old has. Nothing wrong with it for a first multi-tool and will do fine for your son until his birthday.

BTW, you or a MOD need to fix the link in your post!

Here is the shortened version
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock