Mega Bloks Mega Bloks - 29443 - Construction Set - Magnetic - Starter Kit - Dragon Blaze - Minimum age 6 years Dimensions: 6.35 x 28.58 x 28.58 cm Requires batteries: 3 x AA Product description: 1 turbo launcher to give movement to the router and reload in case of loss of speed, and a router to customize a controller to control his trajectory., Manufacturer: Mega Bloks