GraviTrax Starter Set schylling This book is a perfect

This book is a perfect way for families to share a love of science and nature

You can also detach the headlamp and use it as a flashlight

Includes 24 puzzle pieces

exhaust or motocross elements to a great level of detail

GraviTrax Starter Set schylling This book is a perfectExperience the power of gravity! GraviTrax is the all Construction toy STEM track system from Ravensburger! Use your imagination to build superb tracks and set the gravity spheres rolling! This STEM system [Science, Technology, Engineering and Maths] is an ideal one to teach kids about gravity, magnetism, kinetic energy and fun. Hit a snag? Freestyle with your own track design or use the tasks and blueprints included to help you to get started in the