The Drop N Roll Starter-Set contains 190 pieces (6 accessories) to start building your own unique designs, promising endless construction possibilites - STEM and construction toys for kids age 8 years up

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 and GraviTrax PRO sets and accessories

Experiment with gravity to power your ball through twists, loops and turns in a race to the finish line – great building game for boys and girls

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. Great Christmas gifts and birthday presents for children