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he'd be too busy playing
will they solve the mystery
Play ingredients include an egg
leak-proof plastic
Kuwi is a new mum with a very fussy chick
Roadster & Dragster Mechanics Battat he'd be too busy playingA truly complete scientific kit to discover the secrets of these powerful two and four wheeled vehicles. 2 dynamic models can be built: a dragster and a roadster, and transmission mechanisms can also be checked. In addition to the assembly instructions, a sheet with lots of scientific information on aerodynamics and the mechanics of internal combustion engines. Contains more than 130 interchangeable components including: gearbox, gears, rims, tyres,
