Magbrix connectors are a unique solution designed to connect tubes easily and reliably. With these connectors, tubes can be extended without the need for a Magbrix square connector. Thanks to their remarkable strength, children can increase the size of their constructions in various ways, resulting in solid and impressive creations. These connectors add a lot of fun and creativity to the building process! Magbrix Ball Run offers the ultimate in building fun! It is versatile not only with its open design, but also with its uniqueness, where your child can add their favorite building blocks to it as the ball runs around the track. The connectors were designed to help children improve and demonstrate solid use of motor skills as they assemble the pieces without fear of breaking them or getting frustrated because they cant assemble it. The connectors have an interlocking system identifiable with other construction toys such as Duplo®, making our product easy to use with endless hours of joy. The best building fun! MAGBLOX® magnetic building sets are safe for children and comply with international quality and safety standards AS/NZS ISO 8124, EN71, ASTM, and CPSIA. MAGBLOX® is suitable for children aged 3 and up. The MAGBLOX® design is an original idea by JC Ingenium®. All MAGBLOX® building sets are compatible with other magnetic boards, including Magbrix magnetic boards - compatible with Lego, MegaBlocks, etc. WARNING! Not recommended for children under 3 years of age. The product may contain small parts that can be swallowed or inhaled, posing a choking hazard. Keep product packaging out of reach of children, remove all packaging before giving the toy to a child. The toy contains magnets or magnetic components. Magnets that stick to each other or attach to a metal object inside the human body can cause serious accidents. Seek immediate medical attention if magnets are swallowed or inhaled.