◊ A Set 10 Model ◊
An Orrery of dwarf planet Pluto and its 5 known moons, the smaller of which are irregularly-shaped and tumble erratically, the motion of which requires a novel and intricate design of Meccano gear train to reproduce.
Can be driven, optionally, by a PDU motor.
With text, colour photographs, diagrams and historical information.
Ref: MP220 12 Pages Price: £6.40