[Texas Fossil]

Here is what you described:

http://www.buymilsurp.com/russian-soviet-landmine-pfm1-toe-popper-45-across-p-5094.html

Pic here: http://www.buymilsurp.com/bmz_cache/f/f516bff761b545102cd85f0e48b40e84.image.376x497.jpg

Sounds all together possible as the type of land mine.

Note: it says sold out.

[Georgia Girl 2]

Yes that pic is what I’m talking about. The Russkies also made them to look like toys and other shapes too.

[visualops]

It says sold out because it is listed for info only ‘not for sale’. But it does go to show that there are any number of ways a small powerful explosive device could be made and disguised as something else.