Build and play an amazing electronic piano while learning the principles of circuit building! Build the science kit and then play with the toy! Discover and express your musical talent by connecting circuits and wires laid out in the included instruction manual. Interactive science learning makes circuitry, engineering, and electronics fun and easy to understand. Requires 2 aa batteries (not included). Recommended for 1 player, ages 8 and up. Made in china. Package dimensions: 7. 500 x 5. 500 x 2. 750 inches. Includes battery compartment, on/off switch, 3 spring connectors, box base with holes, eco-friendly reusable box, piano case with speaker, synthesizer pcb, top board, top board prop, piano base, rubber button, decorative black keys, piano keys, sticker, 2 connecting bridges, instructions. Requires 2 aa batteries (not included). Number of Batteries: 2 Learning Skill: Science Power Source: Battery (not Included) Recommended Ages: 8 Years And Up Measurements: 7.5 Length/Inches Assembly: Assembled Base Material: 100% Plastic Battery Size: Aa Care: Wipe Clean Country of Origin: Imported p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.