This fun factory set has everything you need to shape mold and extrude lots of fun shapesr load up the extruder tool with play doh modeling compound slide in one of the rails and push down on the lever to extrude a cool designr then create fun shapes from the molds on the extruder tool bodyr use your creativity and you can create almost anythingr box contains 1 x extruder tool 2 x rail knife accessory2 x 3oz can of modeling compoundr extruder tool lets you load extrude and mold all kinds