Take Reddit user [Lord_of_Bone]’s Nerf Gun ammo counter and range finder ... can determine how far away your target is, and whether or not you have enough ammo to hit them.
Of course a stock Nerf gun would be fairly boring ... strength of the gun by replacing a 2kg spring with a 5kg spring. Targets are tracked with a webcam using Processing and a bit of code from ...
There's never a bad time to break out the best Nerf guns, but they're a particularly good way to chase off those January doldrums. New year, new you... new Nerf blasters? Sounds about right to us.