Paper Puzzle 1.Material:Cardboard paper 2.Color:CMYK,as customer's requirement 3.High quality with Reasonable price MaterialPaper card,cardboard paper Thickness1mm-2mmPacking1 set each opp bag,then into one packing box,as customer's requirementUsageDeveloping childrens' thinking skills,funnyInstruction for UsePeel off backing of sticker sheet to use sticker for mathing referenceSimply join the ...