●ENDLESS FUN: Experience the ultimate sensory adventure with our Lights & Sounds for your marble run set! With 6 unique themes to choose from - Wacky, Ocean, Space, Dinosaur, Jungle & Safari - each activated by the rolling marble trigger, your child will love exploring the different sounds. For those moments when you need some peace & quiet, the convenient On/Off switch allows for easy control of the noise level. Get ready for hours of educational & imaginative playtime with our Lights & Sounds. ●FEATURES: These patent-pending Lights & Sounds pieces are a marvel of interactive sensory technology. With 14 randomized wacky sounds and 2 flashing lights, they provide an exciting and unpredictable experience every time they are activated by a marble. The marble activates a sensor, triggering the sounds and lights for a unique auditory and visual sensation. Whether used for play or simply as a fun diversion, these Lights & Sounds pieces are sure to captivate and delight users of all ages. ●BATTERY-OPERATED: The marble run lights and sounds accessories are a must-have for any marble run enthusiast. Each piece includes 3 LR44 1.5V button cell batteries, providing long-lasting power. With the batteries included, you can enjoy the lights and sounds right out of the box, without having to worry about buying and installing additional batteries. Whether youre building a new marble run or adding to an existing one, these accessories will take your marble run to the next level. ●UNLEASH YOUR CREATIVITY: Take your marble run set to a whole new level of excitement with our Lights & Sounds pieces. But why stop there? Combine them with our Wacky, Space, or Safari Sounds for an out-of-this-world experience! Were committed to making playtime more fun and engaging, and were thrilled to see how our Lights & Sounds pieces will add to your imaginative play. Get ready to be transported to new realms of adventure and let your imagination run wild! ●COMPATIBILITY: Looking to take your Marbulous marble run to the next level? Look no further than our compatible lights and sounds accessories! Our sets are the perfect addition to your Marble Genius collection. Whether youre looking to add extra excitement to your marble runs, race tracks, towers, or elevators, these accessories are sure to do the trick. Our compatible lights and sounds are the perfect way to elevate your marble run game and create a truly immersive and engaging experience.