they dont look too hard to make, 4" high by approx 12" long rectangular box. inside use plywood for the slots and a bit of OMF floring for rear if no glass available.
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they dont look too hard to make, 4" high by approx 12" long rectangular box. inside use plywood for the slots and a bit of OMF floring for rear if no glass available.
$45 when compared with the satisfaction of creating your own masterpiece together with the scar tissue to prove it ... a no brainer ;)
This could be a bit of fun for kids, teaching them about maths and natural history only Americans can think of these games.
http://bee-quick.com/reprints/500.pdf