The first night we read this at bed time, my 4-year-old daughter insisted on reading it twice, back to back. Last night, she did stories with her mother, and roped her into reading it to her twice as well. Definitely a new favorite in our house.
There were several instances in which I held my breath because it is a real page-turner. You’ll find yourself wanting to get to the end of the book to find out if they succeeded in building a rocket car that really works!