An elegant handmade glass pen trap.

What it does:
A glass tools for trapping seed shrimps and plannaria from shrimp tank easily without removing and disturbing the soil. May trap small shrimps if place carelessly.

Put bait food in the pen and place the pen flatly to the gravel. Push the pen a little further down into the gravel to prevent shrimplets from entering.

This set contains:
- Box and protection sponge
- An unit of glass catch pen