TLJ1073 Features: * Dual ""Power Lifter"" automatic ball returns * Interlocking plates, gears, electronic sound chamber, 3-D connectors, shafts, channels, funnel and pendulum * Durable soft plastic * Motorized gear unit * Inspires creativity * Five Independent tracks * Challenges problem solving skills * Expands knowledge of mechanics and engineering * Builds confidence as children design structures that move and work * Compatible with all Techno Gears sets * Provides hours of interactive learning fun * Requires three AA"" batteries * Ages 8 + years * Material: Plastic and Electronic Construction: * Genius construction set * Over 520 colorful construction pieces Dimensions: * Dimensions: 24 "" H x 30.5"" W x 13.25"" D Collection: * Techno Gears Marble Mania collection