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Duotone aurora — cool blue brief on the left, soft violet sheet on the right for cargo details.
Before you know it
a trusted voice in creative nonfiction for kids
and hydraulics
making each pair a unique expression of Earth’s mineral formations
blending scientific fascination with collectible appeal
BrainStorm Catapult STEM Kit Garden Before you know itThe BrainStorm Catapult STEM Kit invites young builders to construct a working wooden catapult, combining handson fun with real exploration of physics and engineering. Whether used in the classroom or at home, this kit offers a playful way for learners to dive into how levers, trajectory, and force workand then test their creations with launched projectiles. Why youll love this kit: Includes precut wooden components and clear instructions so students
US$ 160.00
US$ 64.99
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US$ 509.25