This science experiment DIY wireless power transmission craft kit is perfect for students and children who want to learn science and technology. The kit has complete materials and easy-to-use instructions, making it perfect for beginners and elementary school students. It is creativity and practical skills, and cultivate scientific thinking. Features -Color:Assorted Color -Material:Wood and copper -Size:10.00X9.00X8.50cm/3.93X3.54X3.34in -Size:11.50X9.00X8.50cm/4.52X3.54X3.34in -Note: need to assemble by yourself. -The DIY Wireless Power Transfer Kit comes with a variety of materials and user-friendly instructions, making it easy to use and understand. -The kit encourages creativity and practical skills, allowing students to explore their imagination and develop hands-on experience. -By participating in this STEM experiment, students can develop scientific thinking and problem-solving skills, which will benefit them in their future studies . -Designed for beginners and elementary school students, this kit is perfect for those who are just beginning to explore the and technology. -Through the principles of wireless power transfer, this kit introduces students to the fascinating world of electricity and how electricity can be used to power devices without the need for wires or cables. Package list: 1 x set of DIY Electric transmitter 1 x set of DIY Power receiving unit 2 x specifications