RE: SteemSTEM 科學博覽會 SteemSTEM Science Fair Entry — Steemit

You are viewing a single comment's thread from:

RE: SteemSTEM 科學博覽會 SteemSTEM Science Fair Entry

View the full context

mcw (63)in #cn • 8 years ago

Nice!!
It is really brilliant to use neodymium magnet !!!

8 years ago in #cn by mcw (63)

$0.00

Sort:

jeffreytong (60) 8 years ago

thankyou !

$0.00