Construction

Put your marble-run engineering skills to the ultimate test!The modular, electronic-free, interactive track system of GraviTrax becomes a challengi...

Q-BA-MAZE is a unique system of colorful cubes that interlock to form an exciting marble run. The big difference? The configurations are UNLIMITED:...

It’s a dash to the finish line with this twist on the classic Q-Ba-Maze STEAM activity! Build your maze, choose a colored marble and swivel the lau...

A truly mesmerizing marble-track experience! This set is made up of hollow stacking cubes and a variety of perfectly flat tracks. The paths cut out...

Ready, Set, Go! Compete in a marble race with this fantastic DIY track! Build the track yourself then send the marbles rolling down through all the...

Science meets creativity with the GraviTrax Speed Set. This STEM toy encourages hands-on play where kids lead the way. With a variety of gravity-ba...

Reverse direction and level up your marble run with the “GraviTrax Flip”! Send the marble in the reverse direction with the Flip! As the marble rol...

Featuring funky colors and exciting components, this updated twist on the classic Q-BA-MAZE STEAM activity is great for group building or solo buil...

Split the directions of the marbles with the Splitter. See if the marbles have enough speed to roll across the trap door. If they roll too slow, th...

Cause an eruption of fun with the “GraviTrax Volcano” accessory! You’ll unleash new energy as your marble rolls into the “Volcano’s” push button, t...

Cross your marble run down and over with the twisted flair of the “GraviTrax PRO Helix” Criss cross, under and over! With the Helix you can join up...

Science meets creativity with the GraviTrax Balls and Spinner Accessory. This STEM toy encourages hands-on play where kids lead the way. With a var...

The GraviTrax PRO Vertical Expansion Set offers 33 additional elements to reach new heights with your track. Create dynamic marble runs with walls,...

Build action-packed track systems for hours of fascinating fun with the versatile “GraviTrax Starter-Set”!With over 100 pieces and 18 different con...

Create your own marble runs with this exciting construction set. Reproduce the models pictured on the box or enjoy experimenting with your own desi...

Take any Gravitrax collection to the next level with the Gravitrax Bridges expansion set from Ravensburger. This unique expansion pack allows kids ...

Take your marble for an unexpected spin with the “GraviTrax Loop” accessory! Turn the marble upside down with the Loop accessory. Experiment with h...

Watch your marbles take off like a shot with the “GraviTrax Magnetic Cannon”! Launch the marble through your run by adding the Cannon. The high-pow...