1.Go to https://www.myetherwallet.com
2.Select Network ETH (myetherwallet); Go to Send Ether & Tokens tab and select Mnemonic phrase (shown on the picture)
3.Paste your 12 words phrase and hit Unlock button (appears after you paste 12 words correctly)
4.Select m/44’/60’/0’/0 HD Derivation path as shown on the picture:
5.Click Unlock your wallet.
Boom! Now you’re able to see your account address and balance and send test eth wherever you want!