Just happened to find one seller that ships to Brazil! :) https://www.amazon.com/gp/product/B01MT9GD7Z/ref=od_aui_detailpages00?ie=UTF8&psc=1

Here you go:

https://www.amazon.com/gp/aw/d/B01MT9GD7Z/ref=mp_s_a_1_41?ie=UTF8&qid=1486517457&sr=8-41&pi=AC_SX236_SY340_QL65&keywords=fidget+spinner

Only 3 left in stock from these guys, so better hurry lol. There's another that's selling the same thing for $45 instead of $35. Here it is

https://www.amazon.com/gp/aw/d/B01MU8WH2Q/ref=pd_aw_sim_sbs_21_1?ie=UTF8&psc=1&refRID=65DBRRY4CGEMHGETAAM2