Material: Light up memory game made of premium PP material, smooth and no burrs, durable to use. Portable: You can play the handheld electronic memory game with friends. The game's handheld design makes it easy to carry and can be played at any time, whether at home, on the road, or while waiting with Light and Sound: Color memorizing classic board games,there are multiple colors of lights in the game. these lights will light up in a certain order. players need to remember order and then repeat in the same order. Educational Toy: Memory training game for children that enhances memory, patience and hand eye coordination and fine motor skills. Interaction Toy: 4 sequence handheld classic brain toy is ideal gift for kids, boys girls or adults on birthday, holiday. Size Chart: Square:7.8cmx2.2cmx7.8cm/3.07inchx0.87inchx3.07inch Black:10.2cmx3cmx7.3cm/4.02inchx1.18inchx2.87inch White :10.2cmx3cmx7.3cm/4.02inchx1.18inchx2.87inch Package Includes: 1Electronic Memory Game Note: Please allow slightly errors due to manual measurement and different monitors.