O Paulo disse tudo.
Na Ali express se encontra por R$ 60,00, com o frete.
cDetailBottomMoreThisSeller,scm-url:1007.13339.169870.0,pvid:cd5ed4f9-c4b9-43a1-8618-01d8ce836232,tpp_buckets:668%232846%238110%231995&pdp_ext_f=%7B%22sceneId%22:%223339%22,%22sku_id%22:%2212000024667425294%22%7D" target="_blank">https://pt.aliexpress.com/item...00024667425294%22%7D
A Hobbyeasy vende sets genéricos que custam uns US$ 3,00 (Trumpeter).