+ Design and build your own working roller coaster models.
+ Conduct hands-on physics experiments to learn about force, motion, and energy.
+ Complete challenges that require you to build roller coasters of all shapes and sizes.
+ Plastic building system is durable, easy-to-assemble, and reusable.
+ Full-color manual with step-by-step assembly instructions and scientific explanations
Age: 6+
Circle Of Knowledge Toys and Books