GraviTrax Pro: Starter Set Extreme sherlock holmes The game plays with 4-6

The game plays with 4-6 players

Fun playmat with realistic design

It’s a perfect STEM toy to develop fine motor skills

Packaged using recycled and recyclable materials and printed with soy inks

Put your problem-solving skills to the test and see if you can put the pieces in the right places

GraviTrax Pro: Starter Set Extreme sherlock holmes The game plays with 4-6Discover the ultimate in marble run fun with GraviTrax Pro: Starter Set Extreme. This pro set allows you to design and build your own marble run tracks, providing endless possibilities for creativity and learning. With high quality materials and advanced features, this set takes your GraviTrax experience to the extreme.