- Develops fine motor skills.
- Enhances STEM (Science, Technology, Engineering and Math) knowledge.

Ravensburger Gravitrax Balls & Spinner Accessory is an exciting Marble Run and STEM toy for boys and girls aged 8 and up. It is an accessory for the 2019 Toy of The Year Finalist Gravitrax. This accessory set includes two balls and one spinner, and is designed to add an extra layer of challenge to the existing Gravitrax track system. The balls and spinner can be added to any existing Gravitrax track to create an exciting new experience. Kids can experiment with the balls and spinner to create new and exciting tracks and obstacles. This accessory set is perfect for inspiring young minds to think creatively and develop problem-solving skills. With the Ravensburger Gravitrax Balls & Spinner Accessory, kids can have endless hours of fun while learning valuable STEM skills.

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