My son was desperate to get this for Xmas, and he wasn't disappointed with it. Comes with 4 creations you cannot buy in the twin packs , I would recommend this product. No sounds, but some flashing lights, you don't really need them, this toy could be just as fun without the batteries.My son was desperate to get this for Xmas, and he wasn't disappointed with it. Comes with 4 creations you cannot buy in the twin packs , I would recommend this product. No sounds, but some flashing lights, you don't really need them, this toy could be just as fun without the batteries. My son was desperate to get this for Xmas, and he wasn't disappointed with it. Comes with 4 creations you cannot buy in the twin packs , I would recommend this product. No sounds, but some flashing lights, you don't really need them, this toy could be just as fun without the batteries. My son was desperate to get this for Xmas, and he wasn't disappointed with it. Comes with 4 creations you cannot buy in the twin packs , I would recommend this product. No sounds, but some flashing lights, you don't really need them, this toy could be just as fun without the batteries. The Ben 10 Alien Creation Chamber Set lets kids create thousands of unique alien figures with the twist of a knob. Using the chamber, kids can mix and match parts to create a different custom Ben 10 alien creature every time.