BRIO & Educational Toy Buying Guides
How to Make GraviTrax Marbles Go Faster: Height, Slope & Action Elements
Make GraviTrax marbles faster without making the run unreliable by testing height, slope, joints, curves...
Read more
GraviTrax Building Expansion vs Trax Expansion: Add Height or Extend the Track?
Compare the GraviTrax Building and Trax expansions by parts, layout problem and replay value before...
Read more
GraviTrax Junior vs GraviTrax: Which Marble Run Is Right by Age?
Compare GraviTrax Junior and the original GraviTrax system by recommended age, building style, challenge level...
Read more
GraviTrax Troubleshooting: Why Marbles Stop and How to Fix the Track
Fix a GraviTrax marble that stops, jumps or misses its landing with a simple section-by-section...
Read more
GraviTrax vs GraviTrax PRO: Which Starter Set Should You Buy?
Compare GraviTrax Core and GraviTrax PRO by build style, complexity and vertical play, then choose...
Read more
Best GraviTrax Expansions: What to Buy After Your Starter Set
Choose the best GraviTrax expansion by the problem in your current marble run: more distance,...
Read more
Best STEM Toys for Kids: GraviTrax, Puzzles & Screen-Free Building Sets
Choose STEM toys for kids by age, skill type and play style, including marble runs,...
Read more
GraviTrax Starter Set vs Starter Set XXL: Which Should You Buy?
Compare the GraviTrax Starter Set and Starter Set XXL by piece count, layout ambition, available...
Read more