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Archimedes – Challenge 3D Puzzles – Star

14.95
Dreams to reach for the stars, dated back to third century BC. Archimedes was the eminent mathematician and physicist of his time. He was born in Syracuse, on the island of Sicily in 287 B.C. At that time Sicily was a Greek land. Archimedes was the son of an astronomer and studied in Alexandria in Egypt, after which he returned to Syracuse. He constructed a brass planisphere that showed the revolution of the Sun, the Moon and the five known planets, and showed the nature of eclipses. His planisphere was taken to Rome and was described by Cicero, 150 years later! Here’s your opportunity to aim for the stars by disassembly and reassembly.   difficulty: for true puzzle lovers

Archimedes – Challenge 3D Puzzles – Atom

14.95
All matter is made up of atoms and dates from the fourth century BC. With his law of floating bodies, known as Archimedes' Principle, already established in the third century BC, Archimedes provided a way of finding the specific gravity of a substance, useful in metallurgy and chemistry! The tendency for atoms to bond and break apart is responsible for most of the physical changes we observe in nature and these constant movements are studied by the science of chemistry. The word "atom" comes from the Greek ἀτόμος (indivisible) and dates from around 400 BC. However, atomic theory stayed as a mostly philosophical subject, until the development of chemistry in the 1600s. Can you split this atom and fuse it again… today?

Archimedes – Challenge 3D Puzzles – Galaxy

14.95
The word galaxy is derived from the Greek galaxias, literally "milky", a reference to the Milky Way. Galaxies contain varying numbers of planets, star systems, star clusters and types of interstellar clouds. Archimedes, known for important discoveries in astronomy, constructed a bronze planetarium in which the earth and heavenly bodies all moved in their orbitswhen a crank was turned. Unfortunately for Archimedes there are probably more than 170 billion galaxies in the observable universe. Can you help him to study to this one by separating the parts and joining them back to starting position?

Archimedes – Challenge 3D Puzzles – Sphere and cylinder

14.95
Take no prisoners at the Siege of Syracuse (214 – 212 BC) Archimedes is especially important for his discovery of the relation between the surface and volume of a sphere and its circumscribing cylinder. The scientist died during the Siege of Syracuse when he was killed by a Roman soldier despite orders that he should not be harmed. Cicero describes visiting the tomb of Archimedes, which was surmounted by a sphere and a cylinder, which Archimedes had requested to be placed on his tomb, representing his mathematical difficulty: for true puzzle lovers