Ключевые слова: 26 april, april, brainstorm, celebrate, collection, contains, creation, creative, creativity, education, electricity, element, energy, gears, glowing lamp, graphic, greeting card, idea, illustration, imagination, information, innovation, inspiration, intellectual, intellectual property day, intelligence, international day, invention, invitation, knowledge, learning, light, light bulb, mind, national, poster, power, property, protection, safe, safety, school, security, software, solution, state of mind, success, symbol, technology,