Build your own working trebuchet with professionally engineered materials in this kit.

In only two or three hours with just a pair of scissors and some glue, you will complete a working trebuchet capable of hauling the included wooden missiles over 40 feet. The TK3 model trebuchet can demonstrate all the principles of the trebuchet as either a hanging counterweight machine a wheeled fixed counterweight machine.

Switch between both models and test to see which is more powerful and efficient. Detailed instructions are complete with diagrams, photos, tuning tips, and even efficiency equations for calculating your maximum theoretical range.

Size: 15" throwing arm; 18"L x 9"W x 13"H.