Start your engine and go down the fast lane with Wave Racers!Wave Racers are activated by waving your hand over the sensor. The faster you wave your hand, the faster your Wave Racers will go. Drive alone or against your friends on the expandable race track.Features: Expendable race track with barrel trap Cars are activated when the sensor registers at least 20 waves in 5 seconds Max. car speed: 9 km/h Race track with 69 pieces Including 2 cars: Ace 400X and Rival 300X Requires 4x AAA batteries (not included)WARNING!
Not suitable for children under the age of 3 years. Choking hazard due to small parts.