Boron (B) is a Group 13 element that has properties which are borderline between metals and non-metals (semi-metallic). It is a semiconductor rather than a metallic conductor. Chemically it is closer to silicon than to aluminium, gallium, indium, and thallium.
The original containers (placed by BlaKids & LouBla) are small tubes as shown here...
These containers have a logbook inside them only; thus be sure to bring a pen.