Q2 Tangram Hualongdao Geometry Puzzle Electronic Puzzle Transformation Toy 1. Material: ABS 2. Applicable age: 6 years old and above 3. Power supply: 2 AA batteries (not included) 4. Packing list: host x 1, blocks x 23, storage bag x 1, manual x 1 5. Weight: about 310g 6. Size: about 18.2 x 11.7 x 3.1cm Features: 1. Use the designated color blocks to fill the light map to pass the level 2. Contains 2 types of play, one is the blocks, built-in 1000 + levels; entry-level jigsaw puzzle play with 70 + levels 3. From easy to difficult automatic questions, support teaching mode and challenge mode, adults and children can easily get started, enhance parent-child relationship 4. Automatically light up the puzzle, think about the different shape combinations to fill up the map lighted area 5. Universal AA batteries (not included), easy to replace 6. Hollow geometric blocks structure, easy to observe the map, rounded edges, feel free to touch 7. Easy to pick up the handle design, even if you take a wrong step can easily pick up one of the blocks, no need to force a key or disrupt the other blocks