New from LeapFrog, this innovative LeapFrog Explorer learning game helps kids learn science, math, logic & reasoning skills while on an adventure with Ferb. Build the ultimate water balloon launcher to splash Dr. Doofensmirtz' army of french-fry slinging robots! Solve mathematics problems to earn power-ups, build circuits to find spare parts, use your logic and reasoning skills to create engineering blueprints and simple machines to defeat Dr. Doofensmirtz! Appropriate for ages 5-8 years.