Old puzzle. Copy produced by puzzle design Ton Delsing.9 cardboard pieces. The puzzle was patented in 1911, This variation on Thurston's puzzle was used as an advertisement for soap. The idea was to arrange the cards so that each center circle contained four different colors and each half circle contained two.
A fun puzzle for children. 9 pieces, front red, back blue. And 4 eyes. 9 pieces and 4 eyes. Booklet with fun assignments. Or make your own figures or faces. Main assignment. Make 4 different red JD monograms. Make 4 different blue JD monograms. Material Acrylic. Example:
Put the same colours together. The white center piece can only slide up and down.Pieces cannot fall out due to transparent top plate. Matererial. Acryl.The pieces are covered with transparent foil. You can slide without damage.
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