This foam cutting machine is a simple and effective tool for scientific demonstrations. By heating the electric wire, it can easily cut through foam, demonstrating the conversion of electrical energy into heat energy. It is important to note that the electric wire should not be touched with bare hands and gloves are recommended for use. Features -Color:Beige -Material:Wood, ABS -Size:13.50X10.00X10.00cm/5.31X3.93X3.93in -Note: Not included battery -This product is designed for use in science experiments and demonstrations, making it easy to use and operate. -It is capable of cutting through thin foam,and board, making it a versatile tool for a variety of projects. -Its compact size makes it easy to store and transport, making it a convenient addition to any classroom or laboratory setting. -Foam cutter operates at high efficiency, allowing for efficient cutting, saves valuable time. -Versatile design: This foam cutting device is designed to be versatile, making it suitable for cutting various types of foam materials with ease. Package list: 4 x set of Foam Cutting Machine