Smartivity Mega Science Kit for Kids Ages 6-14 Years I 150+ Scien…

评级: 来自 1 个源的 4,463 条评论

评论

选定评论,共 4463 条评论

I think the most I got out of this was ideas for simple projects . However, some of the things my grandkids wanted to do required me to have other阅读完整评论

www.amazon.com