Vardhaman I.Q. Toys Mfg. Co. Offers Duckling Puzzle Teaching Aid Games. Vardhaman I.Q. Toys Mfg. Co. Manufactures wooden educational toys for children. Duckling Puzzle Teaching Aid Games are strong, sturdy, attractive, and colourful. It is a four pieces puzzle tray that is printed on MDF or ply board with tray for children. These educational teaching aid toys are used to arrange pieces and complete a picture. They also promote and develop problem solving, concentration, reasoning and observation in kids. The Duckling Puzzle Teaching Aid Game is used to educate children of 3 yrs and above age group and is available in sizes of approx. 195mm length x 195mm width x 7mm thickness.