PATHFINDERS Catapult kit for Kids Educational Science Set seige Engine Trebuchet Medieval Building Toy DIY Wooden Model Set Science kit for Kids 10-12 stem Toy Unique Birthday Gift for Boys

Just add glue, scissors and an appreciation for the physics and art behind these medieval siege engines. High-quality models hurl a small ball more than 15 feet in 1 throw, with adjustable pads that change the trajectory angle and encourage experimentation for greater accuracy. Pre-cut, pre-drilled solid wood pieces are easy to assemble; models can be build in about 1 to 2 hours.