Score an extra 10% off select STEM kits at RadioShack. with promo code MZ6WX3 at checkout at radioshack.com
How to use radioshack.com coupons :
1 – Copy the coupon/ promotion / discount code MZ6WX3.
2 – Go to website radioshack.com and remember to paste the code copied to the coupon/discount/promotion box at check out page
3 – Wait for the discount and Enjoy your order