Wonder Gears Magnetic Board ENGINEERING FUN: Imaginations go into high gear with this deluxe motorized set! A flip of the switch sends the gears spinning- creating optical illusions and triggering other entertaining actions. BASIC PHYSICS: 8 magnetic gears can be positioned in countless ways on the colorful magnetic board. Playing with Wonder Gears introduces children to basic principles of physics while promoting creativity. CREATIVE PLAY: Turn your refrigerator or any metal surface into the perfect place to play and learn! PROBLEM SOLVING: Wonder Gears helps develop your child's problem solving skills with unlimited setup possibilities. INCLUDES: 11"x14" framed easel backed magnetic play board, 1 gear motor (with forward and reverse modes) and 7 gears. Uses 1 AA battery (not included). (Ages 3 and up)