Marble Genius Sky High Circles Accessory Add-On Set - Take Your Marble Run to the Next Level & Create a Gravity-Defying Track Race Thrills with 6 Pieces of Towering, Twisty-Turny Fun, Perfect for Kids

NEXT LEVEL EXPERIENCE: Featuring 4 Round 'n Round toppers and 2 Round 'n Rounds, this expansion pack is the perfect accessory for any existing marble run toy. Not only will it enhance the design of the marble run, but it will also improve its functionality, providing your child with a more engaging playtime experience. The added race track element adds excitement and increased playability, making it the perfect addition to any young builder's toy collection. ELEVATE YOUR GAME: Take your marble runs to the next level with the 4 Round 'n Round Topper pieces. These accessories are designed to increase the stability and complexity of your builds, allowing you to create even more intricate designs. The topper pieces provide a stable foundation for your runs, ensuring that your marbles will make it through each twist & turn. With these additions, you can create more challenging and engaging tracks that will keep you and your friends entertained for hours. COMPATIBILITY: Compatible with standard toy-size marbles that are 5/8 inch or smaller in diameter. Please note that no marbles are included with the set, so you will need to provide your own. However, with this flexibility, you can choose the marbles that best suit your preferences & create runs that are uniquely your own. From shiny glass marbles to colorful plastic ones, the possibilities are endless. With this set, you can build elaborate tracks that will challenge all who play with them. THE PERFECT ADD-ON: Designed to work seamlessly with Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 8 Accessory Sets, these pieces will expand your collection and take your marble run game to the next level. With endless possibilities for new designs, you can create even more challenging and intricate runs that will keep you and your friends entertained for hours. These compatible add-ons are the perfect way to elevate your marble run experience. LET THE FUN TIMES ROLL: We believe that playtime should be full of smiles, hands-on learning, and hours of unplugged fun. That's why we've designed our marble toys to be the perfect combination of engaging, educational, and entertaining. From intricate marble runs to challenging mazes and stunts, our toys provide endless opportunities for kids to explore STEM concepts and problem-solving skills in a playful and immersive way. Marble Genius has something for everyone.