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you can learn about gear ratios
Big science for little hands
meaning "pavement lizard"
Be a scientist and discover how to power this digital clock using just potatoes
Concavenators had structures called "quill knobs" on their arms
Mini Da Vinci Ornithopter Kit Brand_Thames & Kosmos you can learn about gearBring one of Leonardo Da Vinci's designs to life with this wooden model kit. After assembly, you can pull on the handle to make the wings flap! Pathfinders Design & Technology Designed in Victoria Ages 8+
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