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From the golden marble that will bring a touch of elegance to your creations to the curved tiles that will add thrilling twists and turns and even a spiral that will send your marbles on a whirlwind adventure, every piece has been carefully selected to ignite your creativity. The GraviTrax Advent Calendar comes with 36 track pieces and accessories to expand on your existing GraviTrax Starter Set. This STEM system [Science, Technology, Engineering and Maths] is an ideal one to teach kids about gravity, magnetism, kinetic energy and fun. Comes complete with 24 gifts and an extra surprise hidden within — everything you need to build a fun little marble run to race the 3 holiday-colored marbles! Includes 3 metal marbles (red, green, gold), 1 rugged base plate, 1 spinner, 1 target, 1 Color Swap, 1 Trampoline, 1 Jumper, 6 tracks (1 medium, 5 short), 8 Bernoulli tracks (3 left, 3 right, 2 straight), 25 height tiles (23 large, 2 small) 3 curves, 7 special curves, 1 3-in-1; gold decoration pictured not included.

Innovative – The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with engineering, gravity, magnetism, and kinetics to propel your ball to the finish. Imagine the excitement on your child's face as they unleash their creativity and witness their marbles racing down the tracks they built themselves!

Treat yourself a day before the holidays with the action-packed fun of the "GraviTrax Advent Calendar" and get those marbles racing! By accepting these services, we are able to show you videos or other media content hosted by external providers. This item is not suitable for children under 3 years, the presence of small parts which can be ingested. Made in Europe with high quality materials, GraviTrax is made to last and guarantees hours of play and assembly alone or with others. Compatible with all GraviTrax products from the standard (white), pro (black) and power (gray) range.

GraviTrax building sets are a creative, expandable track system that challenges kids to use their imaginations to design their own marble runs! The Ravensburger GraviTrax Starter Set Advent Calendar is perfect for those new to the world of GraviTrax and a fantastic addition for those who already have a Starter Set. Build new routes and create crazy trick shots, expand the marble run with new ideas, expansion sets to keep the ball rolling.