Ключевые слова: back, balance, child, circle, copy, design, direction, figurines, folding, frame, fun, good, gravitational, gyro, gyroscope, happy, images, inertia, isolated, koma, luck, mass, metal, motion, move, nago, new, object, old, perfection, physics, practicing, precession, principle, rigidity, science, sesame, single, space, spin, spinning, technology, top, toy, toys, turning, white, year, yellow, you,