1)Download Lucky Block by PlayerInDistress
2)Download the required mods
3)Go into your mods folder
*If you notice you a jar file don't worry*
4)Click Lucky Block
*If its a .jar file download something like winrar if you are using winrar right click and press open with winrar*
5)Go to assets folder then lucky then textures then blocks and drag lucky_block.png into there.
6)Go to your .minecraft folder
7)Click config then find the lucky folder 
8)Drag LuckyBlockProperties.txt into their. 
9)Load Minecraft with lastest 1.7.10 forge.