Bulldozer Excavator Jigsaw Puzzles with Backhoe Dump Crane Truck is a jigsaw puzzle game about heavy construction equipments (bulldozer,excavator,backhoe,loader,dump truck, crane truck, digger). There are 12 modes, 2 Pieces, 4 Pieces, 9 Pieces, 16 Pieces, 25 Pieces, 36 Pieces. Each mode has Easy and Difficult Modes, with 24 pictures for each mode. That makes a total of more than 288 different puzzles! In the Easy Mode, the puzzle pieces are not rotating, so you should just move the pieces to the right place. Easy mode is good for low age heavy construction equipments (bulldozer,excavator,backhoe,loader,dump truck, crane truck, digger) fans. In the Difficult Mode, the puzzle pieces have rotated, so you have to put the piece in the right direction, and then put it in the right place. Difficult mode is for heavy construction equipments (bulldozer,excavator,backhoe,loader,dump truck, crane truck, digger) fans who thinks easy mode is too easy. There is also Escape Games. You can escape the room solving the puzzles. It creates thinking ability and abilities to solve problems for heavy construction equipments (bulldozer,excavator,backhoe,loader,dump truck, crane truck, digger) fans. There are also mini games, Learn numbers and calculation quiz. Calculations quiz are addition, subtraction, multiplication, and division. There is time attack mode for multiplication, division, addition, and subtraction. You can make your calculation speed higher enjoying the game. Practice mode contains, Which is more ? How many ? Learn the numbers Find the rules addition subtraction multiplication division.