Spark your interest in the fun, wacky world of electricity! Unleash the power of electricity by making magnets that run on electricity, building a battery powered by a lemon, setting up an electric circuit to light up a bulb, playing tricky buzz wire games, and more! Includes essential tools and detailed i know guide to kick-start your electric explorations. Requires 2 aa batteries (not included). Recommended for 1 player, ages 8 and up. Made in china. Package dimensions: 10. 250 x 7. 500 x 2. 500 inches. Includes instructions, balloon, cloth, power switch box, thin wire, metal rod, crocodile clamps, ruler, compass, zinc plate, copper plate, water tank, led light bulb, can holders, rubber bands, rubber o-rings, plastic ring, axles, wheels, propeller, motor, thick wire, cardboard. 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: 10.25 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.