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Discover how fascinating the world is when you understand the remarkable reactions behind ordinary occurrences
10 thick-card blocks to fit together
Comprehensive chemistry set for children
Box: 24 x 12 x 2cm
Thames & Kosmos Gecko Marble Run Expansion - Marble Run Loop Musical Toys Discover how fascinating the worldWith the loop, you can bring even more speed, action and experimental fun to your Gecko Run marble run. 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!
