ACADEMY 18137 Da Vinci Series Catapult Mechanical Model Kit Ontario Northland The heavy version

The heavy version

The rugged

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Rugged train – ideally designed for children ages 6 and above

Athearn Genesis G1339 HO Scale 23K TankTrain Intermediate GATX White

ACADEMY 18137 Da Vinci Series Catapult Mechanical Model Kit Ontario Northland The heavy versionACADEMY 18137 Da Vinci Series Catapult Mechanical Model Kit In da Vinci's original drawings, this stone throwing siege catapult showed gears, a release mechanism, and a solid wood base. His catapult's force was acquired from the tension stored in two flexible, wood limbs. The designers at Academy followed the basic drawing to capture the workings of a mechanical masterpiece. FEATURES: Easy to build Once assembled, this rubber band powered catapult kit