For those of you who like the Neo concept, here’s a similar hammer that you actually can buy. It’s inscribed with a French saying that translates, “You cannot hang everything on one nail.” The magnetic hammer is designed by Yaacov Kaufman for Raumgestalt.
Magnetic Hammer, $30.00
moddea 
how can i purchase one of theses hammers?
It’s now available at the MoMA Store: http://www.momastore.org/museum/moma/ProductDisplay?storeId=10001&catalogId=10451&langId=-1&categoryId=11507&parent_category_rn=26715&productId=137155&keyWord=Magnetic%20Hammer&purpose=crawl