Do not buy these. Unless you hate the parents in question. In which case, by all means proceed.
The "Landmines."
These guys just declared war on bare feet.
Source: toy-tma.com
Then they barricaded themselves behind these orange knives.
Source: hotwheelsracetracks.files.wordpress.com
And sprinkled Lite Brite Pegs on the field of battle (the living room).
Source: andrewsalomone.com