Stacking Tunnels
Stacking Tunnels
Using Stacking Tunnels with ramps, children roll down a variety of materials—from wooden balls and eggs to toy cars and even water—encouraging experimentation with material properties and the principles of cause and effect. What happens when a ball is placed at the top of an inclined tunnel? How does the speed change if the tunnel is set at a different angle? Through play, children naturally explore these scientific concepts while refining their understanding of elevation, incline, and connection.
Designed for versatile integration, the Stacking Tunnels pair seamlessly with Rubber Ramps, Building Blocks, and construction sets, expanding the possibilities for creative play. Children can investigate how tunnels connect to form systems, asking essential questions like, "What height do we need for our system?" and "What other positions can the Stacking Tunnels be used?" By experimenting with different arrangements, they build foundational skills in systems and connections, gaining insight into how pieces work together to create functional designs.
Encourage children to think critically about their constructions by exploring positional phrases: What materials can go under the tunnels? What can travel over them? These simple yet thought-provoking prompts invite young learners to analyze spatial relationships and engineering principles in a playful and interactive way.
Whether used indoors or outdoors, in structured activities or free play, the Stacking Tunnels support children in discovering new ways to build, test, and innovate. With limitless possibilities, they transform any play space into a hands-on laboratory for creativity, collaboration, and STEM learning.
18 months +
Enhancing the lives of children through play and learning.
Crafted for play
Created by educators, refined by designers, powered by play.
World-Renowned Quality
Award-winning, educator endorsed, recommended worldwide.
Product FAQs
Questions and answers regarding Kodo Kids products and services can be found on our FAQs page.
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Yes, we do test our products.
At Kodo, safety is a top priority. All products have been tested and are compliant with ASTM F963, which is the CPSC's guidelines for toy testing safety in the USA.
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Yes- our products come with a one-year warranty that covers all manufacturer defects. We stand behind the quality of what we make. Above this, we happily assist with part repair for all products.
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To return an item(s), simply fill out the Contact Us form and a customer service representative will respond. You can Contact Customer Service at 720-340-2704 or info@kodokids.com. Please note, images are required for damaged items and can be uploaded to the Contact Us form.
Returns are accepted within 30 days of delivery for any reason if the item is in new, unused condition. In these cases the customer is responsible for repackaging and return shipping costs.
The box the items were originally shipped in can be reused if the sizing is appropriate. Once your return is received, our warehouse will inspect the item to see if it is eligible for a refund. If so, you will receive a full refund for the item(s), along with an email message confirming receipt. No unauthorized returns will be accepted
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Service Requests: If you need assistance with a product or order, please contact our Customer Service department at Customer Service department at 720-340-2704 or email us at info@kodokids.com.
Please have ready: Your name and contact information, your order number, a brief description of the issue, photos, your shipping address for any replacement parts or returns.
You can contact Customer Service department at Customer Service department at 720-340-2704 or email us at info@kodokids.com
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Assembly Guides and Product Information:
Assembly instructions and product information are packed inside the hardware bag with your order.
If you‚ misplaced your guide or need an additional copy, please contact Customer Service department at Customer Service department at 720-340-2704 or email us at info@kodokids.com.