Minecraft Tinkers Construct MOD is acting weird?

Every time i try to make something it doesn't work

List Of Mods Using:
Optifine
Mr.Crayfish Furniture Mod
Bibliocraft
Natura
Carpenters Blocks
dragonmounts
Craftguide
Backpack
Biomes O Plenty
Forestry
Minecraft Comes Alive
Agriculture
Not Enough Items
Extra Biomes xl
Chisel
and TINKERS CONSTRUCT!

i'm also using sphax