Material: Made of premium plastic material, smooth and no burrs, durable to use. Brain: Features sound and light effects to improve playability, fun and educational. Electronic Memory Game: Easy to , repeat random color sequences of flashing lights by pressing the colored pads in the correct order. Educational Toy: Memory training for children and kids over 3 years old that memory, patience and coordination. Interaction Toy: Solo or with friend and parents, share hour. Specification: Material: ABS Plastic Size Chart: A: 9x9x2.5cm / 3.54x3.54x0.98inch. B: 10.5cmx9.5cmx2.8cm/4.13inchx3.74inchx1.1inch C: 6cmx6cmx2.6cm/2.32.36inchx6inchx1.02inch D: 6cmx6cmx3cm/2.36inchx2.36inchx1.18inch Package Includes: 1 Piece Memory Training Toy. Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.