which is simple and convenient
Material: Aluminum Alloy + Quartz Glass + Solid Wood + Zine Alloy
PRIORITY GIFT OPTION: great gift for Kids' science project
1 * Electrolysis of Water Generator
Because the oil or water will mix with dust in the air
8 Coils High Power Electromagnet Engine Model Physical Experiment Motor Type_Stirling Engine Vehicle which is simple and convenient8 Coils High Power Electromagnet Engine Model Physical Experiment Motor Features: . Exquisite Appearence: High precision cut acrylic support, with high transparency, no deformation, beautiful appearance, durable and stable . Product Advantages: 5v input voltage can be used, the mobile power can be used, and the product is already installed, no need to be assembled, extremely convenient. Low engine heat, low noise, high durability . For Crowd: 8+ .