You can go to littlebits.com, enter the promocode SCISHOW, and we'll place your order and you'll receive that $20 off, plus, free shipping in the US... This's Christmas time, this is good!

您可以访问 littlebits. com，输入促销代码 SCISHOW， 我们将为您下订单， 您将收到 20 美元的折扣，此外，美国境内免运费… … 这是圣诞节， 这很好！