Features: 1.Intelligent Puzzle Game: Slide puzzle game that enhances logic thinking ability and develops hand eye coordination. Suitable for all ages. 2.1000+ Challenges: With over 1000+ levels to play. Solve puzzles by arranging the blocks according to the starting position on the screen. Move the red block to the exit and complete the challenges. 3.Tutorial Mode: Tutorial mode displays the dynamic step by step instructions, making it an ideal gift for children aged 8?9 years, boys, and girls who are new to puzzle games. 4.Release Stress: The slide puzzle game can release the stress from work and life, providing a challenging and fun game experience for adults as well. 5.Convenient to Carry: Come with a storage box, the puzzle pieces won't get lost. It can be played anytime, outdoors or indoors, without any hassle. specification:Item Type: Electronic Puzzle Machine Material: ABS Battery Type: Requires 4 x AAA batteries (not included) PackageList:1 x ElectronicPuzzleMachine 18 x Puzzle Block 1 x Screwdriver