Thames & Kosmos Gecko Marble Run Expansion Set - STEM Building Toy with Loop Track for Kids Ages 8+ | Fun Educational Marble Maze Game for Home & Classroom Play

With the loop, you can bring even more speed, action and experimental fun to your . The additional track elements mean that the marble run reach is expanded, so you can cover even more tiles, doors, windows, shelves and other surfaces.

How much speed does the marble need to race perfectly through the loop? At what angle is it best to start the loop? Only those who experiment become masters of the loop!

Experiment and find out!

Gecko Run Loop Expansion 550203

• Suitable from 8 years
• Full instructions
• Introduces science concepts including chaos theory
• Tracks made from renewable raw materials
• Configuration on smooth surfaces
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