From the award winning ScienceWiz line of experiment sets comes the coolest of thinking games - Cool Circuits! The concept is simple - choose a puzzle card showing a completed circuit. Using the 8 3D flourescent circuit pieces, complete the circuit as it is shown on the puzzle card to light up the board! But with 40 puzzle challenges of increasing difficulty, the task is not as easy as it sounds. Can you complete all 40 circuits and master the game? Created by Harry L. Nelson and Hiroshi Yamamoto, Cool Circuits emphasizes spatial reasoning and abstract thinking. Includes light-up game board, 8 3D flourescent circuit pieces, 40 puzzle cards and solution book.