Then congratulations, I do not know c is my little 4 year old boy who wanted it for Christmas and I haven that has a word to say top top top, easy to do, no constraints such as painting or modeling dough results fast .... only problem record and the material is at the bottom of the box, not very smart we must empty the bucket and everything back to pick them! In addition, a booklet with more models would be welcome addition to if you have the years to find patterns .... Went to the official website but not many things ...