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Build and experiment with dozens of roller coaster models with this Thames & Kosmos kit to make learning the physics of force
Finished model size is 38cm high by 23 cm wide
The book is full of close-up photos showing step by step instructions
3 x Round Caps for switch (Blue)
It allows every finger joint to adjust at different angles for a precisely closed fist or open palm
SIMPLE MACHINE - SCREW Creator series Build and experiment with dozensThis EISCO brand wooden machine has a sturdy wooden construction ideal for classroom use. The large block mounted around the head of the screw gives students additional leverage so they can easily break eggs or squish other objects with the screw that would be difficult to break with their bare hands. The square top also makes it easy to measure the distance top of the screw is turned vs. the distance the screw is sent into the board. Supplied with
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