15-Piece Birch Plywood Arch & Tunnel Building Set
The 15-Piece Birch Plywood Arch & Tunnel Building Set includes four coordinated widths for creating tunnels, bridges, gateways, hills, enclosures and imaginative architectural structures.
Each piece shares the same 24 cm outer diameter and 12 cm height, while the different depths allow children to nest, stack and combine the arches in changing configurations. Smooth birch plywood surfaces and rounded profiles make the set suitable for supervised tabletop and floor play in preschools, nurseries and early learning environments.
- Supply: Spot Goods & Customization
- Lead Time: 25-30 Days
- Shipping: Express (Samples) / Sea / Rail
Factory Direct
In Stock / Fast Ship
Low MOQ Custom
Safety Certified
15 ARCHES FOR OPEN-ENDED CONSTRUCTION PLAY
Fifteen curved wooden components give children the freedom to create tunnels, bridges, gateways, hills and imaginative architectural forms. The pieces can be nested, stacked, lined up or combined with figures and vehicles for continuously changing tabletop and floor-play scenarios.
FOUR WIDTHS, ONE COORDINATED BUILDING SYSTEM
The set combines four arch widths—4 cm, 8 cm, 12 cm and 16 cm—while maintaining a consistent 24 cm outer diameter and 12 cm height. These coordinated proportions encourage stable nesting, repetition, comparison and increasingly complex constructions.
FROM SIMPLE TUNNELS TO IMAGINATIVE LANDSCAPES
Children can begin by arranging simple tunnels and bridges before progressing to layered towers, animal shelters, roads and miniature landscapes. Repeated experimentation supports spatial awareness, sequencing, symmetry, problem-solving and an early understanding of balance and structural relationships.
SMOOTH BIRCH PLYWOOD WITH A DURABLE FINISH
Each arch is made from birch plywood with a substantial 1 cm wall thickness. The components are carefully sanded, smoothly rounded and finished with an electrostatically applied water-based coating using two primer coats and one protective topcoat.
| Component Name | Dimensions / Specifications | Material & Craftsmanship | Qty |
|---|---|---|---|
| Extra-Wide Arch Tunnel | Outer Diameter: 24 cm Depth: 16 cm Height: 12 cm Wall Thickness: 1 cm |
Birch Plywood, Smooth Sanding, Rounded Profiles, Water-Based Finish | 1 Pc |
| Wide Arch Tunnel | Outer Diameter: 24 cm Depth: 12 cm Height: 12 cm Wall Thickness: 1 cm |
Birch Plywood, Smooth Sanding, Rounded Profiles, Water-Based Finish | 2 Pcs |
| Medium Arch Tunnel | Outer Diameter: 24 cm Depth: 8 cm Height: 12 cm Wall Thickness: 1 cm |
Birch Plywood, Smooth Sanding, Rounded Profiles, Water-Based Finish | 4 Pcs |
| Narrow Arch Tunnel | Outer Diameter: 24 cm Depth: 4 cm Height: 12 cm Wall Thickness: 1 cm |
Birch Plywood, Smooth Sanding, Rounded Profiles, Water-Based Finish | 8 Pcs |
| Complete Arch & Tunnel Set | 4 Width Formats Maximum Size: 24 × 16 × 12 cm Wall Thickness: 1 cm Approx. Product Weight: 2.8 kg |
Birch Plywood Two Primer Coats and One Water-Based Topcoat Smooth Sanding / Rounded Profiles |
15 Pcs |
Compliance & Safety All our educational toys strictly comply with international safety standards, including EN71 (Europe), ASTM F963 (USA), and CPC (Children’s Product Certificate). We use only 100% non-toxic, BPA-free materials and eco-friendly water-based paints. Full laboratory testing reports are available upon request for authorized distributors.
Q: What is included in the 15-piece arch and tunnel set?
A: The set contains 15 birch plywood arches in four width formats. It includes one 16 cm wide arch, two 12 cm wide arches, four 8 cm wide arches and eight 4 cm wide arches. Every piece has a 24 cm outer diameter and 12 cm height.
Q: What can children build with the wooden arches?
A: Children can arrange the pieces as tunnels, bridges, gateways, hills, fences, enclosures, cradles and imaginative architectural forms. The arches can also be combined with vehicles, animals, dolls and traditional building blocks for small-world play.
Q: What skills does nesting and stacking the arches support?
A: Comparing, nesting and balancing the different widths encourages spatial awareness, hand-eye coordination, sequencing and problem-solving. Children also explore symmetry, repetition, enclosure, scale, stability and structural relationships through repeated open-ended construction.
Q: What material and surface finish are used?
A: The arches are manufactured from birch plywood with an approximately 1 cm wall thickness. Each piece is smoothly sanded, rounded and finished with an electrostatically applied water-based coating using two primer coats and one topcoat.
Q: Can the arches support a child’s body weight?
A: No. These components are intended as building blocks for nesting, stacking, tunnels and imaginative construction. Children should not stand, sit or climb on the arches, and all play should take place under appropriate adult supervision.
Q: How should the arch blocks be stored?
A: The different widths allow the arches to be nested together for compact storage. Ensure every piece is clean and completely dry before stacking, and store the complete set indoors away from rain, standing water and prolonged high humidity.
Q: Can the colors, quantity or packaging be customized?
A: Yes. Sing2Sky can support customized colors, set quantities, logos, packaging and private-label requirements for distributors and educational projects. Customized orders are subject to sampling, production review and applicable minimum order quantities.
