Based on this product's specifications, here are some alternatives and similar models
Extra Digital Wooden Assembly Kit Catapult STEM Educational Toy
Summary description:
The Extra Digital wooden assembly kit allows you to build a functional catapult model. This STEM educational toy is designed to develop engineering skills, logical thinking, and manual dexterity. Ideal for children and hobbyists, it provides a hands-on learning experience about physics and mechanics. The kit includes all necessary wooden parts for assembly, making it a perfect project for home or classroom use.