Cylindrical, waterproof housing, at least 10cm deep (e. g. PVC pipe, tin can, terracotta garden pot, ceramic cup/mug with handle, plastic bottle trimmed to a cylinder) Tubes (e. g. dried bamboo reeds, rolled newspaper or paper straws) Stems (e. g. dried pithy stems such as from trimming hedges or removing weedy shrubs like Lantana spp. ) Fastening (e. g. string, wool or cable ties) Something to cut your tubes (e. g. scissors or secateurs)
Optional: Cover the entrance with wire mesh small enough to hold the tubes/stems in place but large enough to let bees in.
Untreated timber or logs (at least 12 cm long and 3. 5 cm wide/high) Electric drill Drill bit (6mm and/or 8mm) long enough to make cavities 10mm deep Safety goggles and mask Hammer, nail, pencil and ruler (to make starter holes, for safety) Sandpaper Fastening (e. g. string, wire, cable ties, bracket and screws) Optional: Round wood file
Repeat this process for each marked cavity.
Rectangular, waterproof housing, at least 12 cm deep (e. g. PVC pipe, recycled milk carton, terracotta pot, besser block) Filling (sandy loam and white ball clay) Water Cup or container for measuring
