来自MSN9 个月
High school program has kids building solar-powered race cars: 'You just know the students ...I made a lot of different solar-powered toys and contraptions," he said. Then, he hit on the perfect idea, something that could be done in small groups but could scale to a nationwide event ...
The list includes toy cars that are created or powered in green ways such as wooden or solar powered toy cars. I've also included several videos previewing the toys and after reading this list ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果