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how 2 control kids use of little biggy
guard the entry point
you can block littlebiggy.org at many levels of your device and network. if you need any help with your particular device use the thread below.

bitcoin barrier
even with your credit card in hand it's not so easy for kids to get bitcoins without ID and proof of residence in many places. only a very determined kid will get through this barrier.

last stand of defence: mail box
this is the critical point to block kids purchases of items.