another fire kit? 3 dollarstore lighters and waxpaper for tinder?
finished paracord bracelet?
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one dollar sharpening stone (show how to lap/flatten, sharpen)?
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or sandpaper/stick/glue sharpening stick (cut sandpaper, glue it... learn to sharpen)?
They even have some pretty good knives that just need sharpening and maybe a sheath
reflective dog leash (48 inches)? turn it into a lanyard or ...
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all kinds of $1-$1.50
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reflective saftery armband / slapbracelet
crochet craft kit, yarn , crochet needle , instructions
mini chisels, hole puncher, leather punch, saw/hacksaw? Maybe a floss lashing knife rehandling lesson?