ITEM NAME:100Pcs Metal Edge Plastic Round Chips For Scientific Magnetic Experimental Description: 100 Pieces chips disc with metal edge(not magnetic) to coordinate with magnet attractive, fun and colorful Good accessory for combo different shape, training kids imagination ability Great for scientific magnetic experimental, improve kids hand practical ability Material: Plastic, Metal Size Chart: Diameter: Approx. 0.9cm/ 0.35inch Package Includes: 100 Pieces Multicolor Disc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size.Attractive, fun and colorful. 100 Pieces Multicolor Disc. Good accessory for combo different shape, training kids imagination ability. Due to the difference between different monitors, the picture may not reflect the actual color of the item.