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Experiments - Crossbows & Catapults (110pcs)

Sale priceRM159.90
  • Learn the ancient mechanism of siege weapons
  • Understand basic concepts of physics: force, energy and motion
  • The safety designed bolt powered by rubber band makes it safe to launch
  • Observe how the designs and power output have evolved and improved
  • 10 models: crossbow, trebuchet, catapult, etc