Carefully made plastic puzzle pieces fit together extremely well. They are so stable that it is possible to easily form a flat ball from them and all this without glue. The result is a unique decorative object. This puzzle uses unique plastic pieces that are washed together to create a durable and strong model. No glue needed! Assemble by eye or use the numbers on the back. The puzzle ball glows in the dark The box contains: puzzle pieces, a stand and an astrological information leaflet.