The Atom Puzzle
The Atom is the easiest shape to understand, but don't for one second think this makes it easy! It is slightly less vindictive than the other three puzzles, but patience and a sharp mind are vital for the puzzler to have any chance of overcoming this vexing mind- muddler.
Also in the Lab Test range is the Molecule and Particle; only humans were lab tested in the development of these products.
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