A combination of the three great discovery toys The Original tedco Gyroscope Light Crystal Prism and Magna-Trix together provide hours of fun exploring the mysteries of gravity light and magnetism. A combination of three great discovery toys The Original tedco Gyroscope Light Crystal Prism and Magna-Trix together will provide hours of fun exploring the mysteries of gravity light and magnetism. Instructions and accessories are enclosed to discover Sir Isaac Newton s laws of gravity. . For ages 8 .