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a crocodile on wheels with hinged jaws
Includes two standards
The excavator shovel can also be moved by operating the lever
which activates even more fun sounds
Optical Science (V 2.0) Schylling a crocodile on wheels withThe Science of Light, Optics, & Visual Perception Astonish yourself with optical illusions and amazing visual phenomena as you explore the science of human perception in this fascinating kit. Experiment with light and the color spectrum by building a color wheel, a fiber optic peacock, and diffraction glasses. Learn how the eye and a camera are similar and how they are different. Build a camera obscura and pinhole glasses. Investigate lenses and light
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