Product Number: SB48339
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For your STEM curriculum.Boost learning trajectory with an authentic catapult. Build one with planks, a little glue, and the help of easy, step-by-step instructions, then let the fun begin! Conduct experiments involving how far the arm is pulled back, the height of the flight deck, or the distance two different objects can travel when launch conditions are identical. No tools required! Includes pre-drilled pine planks, wood glue, cotton rope, ruler, rubber bands, cup, three beanbag projectiles, target mat, fasteners, and instructions. Grade 1 and up.