Ravensburger GraviTrax PRO Vertical Expansion Set Marble Run STEM, Building and Construction Toys for Kids Age 8 Years Up, White

GRAVITRAX PRO - The GraviTrax Pro Expansion Set includes 33 pieces to start building your own unique designs, promising endless construction possibilites - STEM and construction toys for kids age 8 years up. STEM TOYS - Build new routes and create crazy trick shots, expand the marble run with new ideas, expansion sets to keep the ball rolling – compatible with all GraviTrax & GraviTrax PRO sets & accessories. FEEL THE POWER OF GRAVITY - Build new routes and create crazy trick shots, expand the marble run with new ideas, expansion sets to keep the ball rolling – great Christmas gift or birthday present for kids and adults! PREMIUM QUALITY - GraviTrax is made with premium quality materials adhering to the highest UK and EU standards and regulations. NO BATTERIES REQUIRED - Clear instructions included to start playing with this fun brain game within minutes. Other accessories sold separately.