Vardhaman I.Q. Toys Mfg. Co. Offers Ply Board Engine Puzzle Games. Vardhaman I.Q. Toys Mfg. Co. Manufactures wooden educational toys for children. Ply Board Engine Puzzle Games are strong, sturdy, attractive, colourful raised puzzle is printed on MDF or ply board, with tray for the young child. The Ply Board Engine Puzzle Teaching Aid Games are used to arrange pieces and complete the picture. These educational toys promote and develop problem solving, concentration, reasoning and observation in kids and are used to educate children of 3 yrs and above age group. The Board Engine Puzzle Games are available in sizes of approx. 195mm length x 260mm width x 7mm thick and have weight of 315 grams.