Fully Compatible with Large Size Blocks
The Race Track not only plays with balls, but also works perf with the other building blocks too, your kids will create his own set-up by adding similar sized building bricks from his existing set, creative thought, and a lot of imagination.
The dino tracks and building blocks pieces fit together tightly in classic colors for different shapes that your boys will love so much.
There are no tiny pieces, all bricks are smooth, with no sharp edges or anything rough which is safe to your kids.