Join the pieces. Use PVA glue (polyvinyl acetate) or Liquid Nails® together with bamboo skewers and fencing wire. Make sure to use a water based glue because other solvents will probably dissolve the styrofoam. Test your glue before proceeding.
The heated carver will give off toxic fumes so please make sure you are in a well ventilated area. The sharp knife (or box cutter) will make an enormous mess, so be prepared to sweep and vacuum.
