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Abstract: 120projects integrated circuit model building blocks,assembled DIY electronic experiments Radio&light toys science&funny kit Item specifics: name: integrated circuit building blocks material: plastic packing size:24*20*4 cm Function:Multiple chooses of sounds Switch control fan FM RadioElectronic block kit1.EN-71 standard2.New patent product3.45 circuits include feature :1.Original Manufacturer and directly sale2.Material: Nontoxic ABS plastic and electronic parts3.New patent product This product is very easy and safe to set up a wide range of useful circuits within a very short time.All the illustrations in the manual are very close simulations of real circuits,so they are easy to follow and set up.The product is so simplified that everyone young or old,with or without technical know-how can assemble an illustrated circuit and even design