This 3D cardboard 35 piece puzzle turns into a 20 inch boat! I gave this to my nephew for his 6th birhtday and we had a blast putting it together. He took off with it and it is sturdy enough he can play with it. There are 4 sheets of pieces that pop out and assemble into this Cruiser. You can take it apart to rebuild another day. #Rankboosterreview #Sponsored #Pioneerhiker https://www.amazon.com/Battleship-Military-Building-Birthday-Christmas/dp/B075F2RXJM