Amazon price: https://www.amazon.com/gp/aw/d/B06XHM4BY9/ref=mp_s_a_1_4?ie=UTF8&qid=1523105152&sr=8-4&pi=AC_SX236_SY340_FMwebp_QL65&keywords=Set+Locksmith+Tools+Practice+Transparent&dpPl=1&dpID=51uSsgYNUcL&ref=plSrch
I sale: $6.99 (0.001 btc) (free shipping worldwide)
Only available when order quantity reaches 10 piece.