Quantity   Component name
1 × reed switch something like this: http://www.ebay.co.uk/itm/5Pcs-Spst-Mka-14103-Reed-Switch-10-15At-2-X-14Mm-Lead-Glass-N-O-Ic-New-U-/132169106452?epid=706037460&hash=item1ec5e48414:g:E08AAOSwImRYID-g
1 × veroboard
1 × terminal block something like this: http://www.ebay.co.uk/itm/30Pcs-2-Way-2P-PCB-Mount-Screw-Terminal-Block-Connector-5-08mm-Pitch-/291567491139?hash=item43e2c6d843