Vardhaman I.Q. Toys Mfg. Co. Offers Hen Puzzle Teaching Aid Games. Vardhaman I.Q. Toys Mfg. Co. Manufactures wooden educational toys for children. Hen Puzzle Teaching Aid Games are strong, sturdy, attractive and colourful and are printed on MDF or ply board, with tray for the young child. These educational teaching aid toys are used to arrange the pieces and complete the picture and also promote and develop problem solving, concentration, reasoning and observation in kids. The Hen Puzzle Teaching Aid Games are used to educate children of 3 yrs and above age group. They are available in sizes of approx. 220mm length x 195mm width x 7mm thick and have weight of 140 grams.