Years ago I bought Eli two bags of those huge mega blocks...he was almost two. He played with them all-of-the-time. Remy came along and they played with them together. They still play with them.
Recently they started asking for the teeny tiny legos. You know the ones Noah could choke on. We promised to get them IF they promised to never play with them in Noah's *safe* areas and IF they put them away right away. They agreed, and so far, so good.
The first night they had them they played for hours with them. Matthew and I were calling and begging for them to go to bed. When they were finally done they showed us this work of art they created together. Truly, my kids are amazing. Just saying...
Family and friends, if you want to get them something more legos would be great!