First the nonogram solves like this:
>! [![enter image description here][1]][1]

Then
>! we note the [tag:paper-folding] tag and "On-and-onogrami" wordplay hinting at origami. The flavor text also mentions catching bugs and crystal ball. So we fold our paper into the ["cootie catcher" aka "fortune teller" origami][2].

We see
>! [![enter image description here][3]][3]<br><br>
>! ORIGAMI on the outside! We must be on the right track.

Then we
>! open it and see<br><br>
>! [![enter image description here][4]][4]<br><br>
>! WATER bOMb! Which is both a weapon and a toy (and also another origami)!

So we
>! fold a [water bomb][5] and get<br><br>
>! [![enter image description here][6]][6]<br>
>! [![enter image description here][7]][7]<br><br>
>! a six sided die! One fine toy.


  [1]: https://i.sstatic.net/X4Suy.png
  [2]: https://www.youtube.com/watch?v=PAZKv_PVcn0
  [3]: https://i.sstatic.net/vxaqT.jpg
  [4]: https://i.sstatic.net/rvLfN.jpg
  [5]: https://www.youtube.com/watch?v=QC3I1SGRF5c
  [6]: https://i.sstatic.net/9Nw1g.jpg
  [7]: https://i.sstatic.net/IMVKd.jpg