Wooden Block Accessories: Arches, Mirrors & More
By Educational Supplies and Learning | Published: 2026-10-18
Category: Buying Guides
Learn how to choose wooden block accessories like arches and mirror blocks for preschool block play, with practical buying rules and trade-offs.
Quick answer
For expanding preschool block play, start with unit block arches to add structural variety, and add mirror blocks when you want to boost visual exploration and self-awareness. Choose based on your learning goals and available storage.
Why arches and mirrors are different
Unit block arches and mirror blocks serve different purposes in block play. Arches change the geometry of what children can build, enabling tunnels, bridges, and doorways. Mirror blocks add a sensory and self-discovery element, letting children see reflections of their structures and themselves.
Think about your classroom's current needs. If children are already building tall towers and walls, arches introduce new problems to solve, like balancing a block on a curved surface. If children are more interested in exploring light and faces, mirror blocks can draw them into block play and extend their attention span.
Trade-offs to consider
Arches require a stable base and can be trickier for younger children to use successfully. They also take up more shelf space because of their curved shape. Mirror blocks are durable but the mirrored surface can show smudges and needs occasional cleaning to stay clear.
Both accessories are designed to integrate with standard unit blocks, so they won't require a separate storage system. However, check your existing block set's size—these accessories are built to standard unit block dimensions, so mixing with non-standard blocks may not fit well.
Decision rules for choosing block accessories
- If you want to extend block play structures: Choose unit block arches. They let children create doorways, tunnels, and bridges, adding new engineering challenges. Check that your existing unit blocks are standard size for a proper fit.
- If you want to encourage self-awareness and sensory exploration: Choose mirror blocks. The reflective surfaces invite children to look at themselves and their creations from new angles. Plan for occasional cleaning to keep mirrors clear.
- If you have limited storage: Start with one set of arches or mirrors, not both. Both take up similar shelf space, so prioritize based on your learning goals. Consider rotating accessories to keep interest fresh without cluttering shelves.
Product facts
- 5-Piece Hardwood Unit Block Arch Set: The 5-Piece Hardwood Unit Block Arch Set includes five sturdy hardwood arches designed to integrate with standard unit blocks. Adds structural variety to block play, enabling tunnels and bridges that challenge children's engineering skills.
5-Piece Hardwood Unit Block Arch Set - Geometric Mirrored Building Blocks | 8-Piece Hardwood Set: The Geometric Mirrored Building Blocks set includes eight hardwood-framed blocks with permanently encased unbreakable acrylic mirrors, sized 4½" x 1½" thick for small hands. Provides safe, durable mirrors that encourage self-awareness and visual exploration during block play.
Geometric Mirrored Building Blocks | 8-Piece Hardwood Set
Who should choose which
Best for
- Classrooms focusing on STEM and engineering skills: unit block arches
- Preschools emphasizing sensory and self-discovery: mirror blocks
Not for
- Classrooms with very limited storage: choose only one accessory type
- Groups of children under 2 years old: arches may be too advanced, and mirrors may need extra supervision
