เฮลิคอปเตอร์พลังงานแสงอาทิตย์ DIY ของเล่นเสริมการเรียนรู้วิทยาศาสตร์สําหรับเด็ก

1.Type:DIY Solar Helicopter 2.Power:Solar power 3.Size:14.7*7.2cm 4.Healthy and Eco-friendly materials,edutainment. 5.DIY science kits toy make children's own toy. 6.It Can excite children's curiosity and promote imagination, developing intelligence, exercising the ability of using hands and brain. 7.Parents and children to assemble it together to improve parent-child relationship. 8.It's useful for keeping track of unproductive habits, like play phone and online game for a long time. 9.Knowledge Point:Photovoltaic effect Package includes: 1 * DIY Solar Helicopter 1 * Instruction