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The double stage step-up gear system gives an overall ratio of approximately 1:25
increase independence and access the curriculum
Dr Melanie Forster is a dual-qualified teacher and consultant clinical psychologist
and river habitats
For demonstrating the variation of electrical output of a dynamo with its rate of rotation and the way in which the electrical load connected to it affects the amount of work required to drive it
Protractor Playmat Age 5-6 The double stage step-up gearThe fun play mat, features a large protractor design, that children can use to measure the angles on everyday objects and understand the different sizes of angle and why they are used in those items. Suitable for indoor and outdoor use. (not be left outdoors after use). Size: 1m x 50mm.
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