Domino Rally Crazy Race &mdash; Dominoes for Kids &mdash; STEM-based Learning Set Includes 100 Dominoes, 50 Speed Dominoes, 2 Loop De Loops, 2 Race Cars, A Ring Of Fire And 1 Launching Bridge For Ages 6 And Up All Domino Rally Sets Work Together To Help Make The Biggest, Coolest Domino Creations You Can Imagine Kids engineer their own Domino Rally set-ups, making this a great STEM product Kids love this building toy, and they love watching the chain reaction of dominoes A fun, active toy that helps kids with concentration and fine motor skills 150 dominoes (including 50 special "speed" dominoes, 2 loop-the-loops, 2 cars, a launching bridge, and more) Ages 6 & up