Here you can download instruction for 42103 Dragster. The instruction provides step by step guidance, so it is easy to follow it. If you’ve lost your original instructions, here are building instructions. You can find all needed bricks at the end of instruction. Just hit the blue button below to download it.Do you want more instructions? My website has tons of LEGO PDF instructions, just search for them. I am a big LEGO fan and I also like building various MOCs and official sets. By the way, I have YouTube channel. It is all about LEGO stop motion animation, brickfilms and animation. Take a look around, watch some funny LEGO movies.