Product informationTechnical DetailsProduct Dimensions15.5 x 10.5 x 4 cm; 110 gManufacturer recommended age15 years and upItem model numberDE-42151-P43901Educational Objective(s)Divergent ThinkingNumber of Puzzle Pieces3777Assembly RequiredYesBatteries Required?NoBatteries Included?NoMaterial Type(s)Copper conductorASINB0BRXQDJ84