Weaver is from the early 1900s. It does not have the date stamped on it.  Included are the original box and instructions. The circle weaver is a bonus.  The instructions say How to sew and assemble weave-it squares.  The mfg is by Donar Products Corp.  Osterville, Massachusetts, USA.  The US Pat number is 2011916.  Canadian pat number is 358058.  The square weaver is 4 3/8" in diameter. and The circle weaver is 4" in diameter.