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interactive pop-up book
And now the secret is out
Since then they've been fighting an increasingly desperate battle against the Fallers
from the surface to the seafloor
Scientriffic: Roller Coaster Science Catherine Leblanc interactive pop-up bookAdventurous young learners will lose their marbles when they spend an afternoon with this fun set, all while learning some fascinating science along the way! Using a ball or marble and a small scale ramp, children are introduced to amazing principles of physics like gravity, momentum, velocity, acceleration, friction, and centripetal force. A unique kit that introduce budding scientists to the fields of physics and engineering, "Scientriffic: Roller