An innovative block that pivots on itself and changes the course of your balls!
Let your marbles rush into this innovative block which pivots on itself with each pass, and discover where your marbles will come out! Thanks to this PRO action block, bring more possibilities, more challenges and more creativity to your GraviTrax circuits!
GraviTrax Pro Starter Set Vertical required.
STEM (Science, Technology, Engineering and Mathematics)
Warning: Not suitable for children under 3 years. Small components. Choking hazard.
Ages: 8+ years