Scientific Experiment Sound Wave Imaging Device Technology Small Production Visible Sound For Elementary School Students

100 Brand New and High Quality! Material:Wooden+Plastic Size:As shown in the picture Color:As shown in the picture Size:14.1*9.3*5.7cm/5.55*3.66*2.24in Package Included: 1 Set Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. Note: Due to manual measurement, there may be errors in the dimensions and weight,Please understand; Colors may have color differences due to factors such as light, saturation, and pixels,We apologize for any inconvenience caused. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.