Mini Flexi-Builders | Flexible STEM Construction Building 77-Piece Set
Constructive Playthings Mini Flexi-Builders inspire young builders to create in every direction, angle, and dimension. Designed to promote hands-on learning through play, this flexible construction set helps children develop spatial awareness, imaginative 3D building skills, and fine motor strength while having fun.
Each durable plastic star-shaped builder features six slots, allowing children to connect pieces horizontally, vertically, or diagonally. This open-ended design encourages exploration of STEM concepts such as balance, stability, problem solving, and basic engineering principles. Mini Flexi-Builders also promote cooperative group play, making them an excellent addition to classroom centers, small-group activities, and collaborative learning environments.
The 77-piece set includes builders in bright primary colors—red, blue, green, and yellow—to support color recognition and visual learning. Compact in size and easy for small hands to grasp, each piece measures 1 5/8" in diameter, making them ideal for preschool-aged learners.
Made from durable plastic for long-lasting use, Mini Flexi-Builders are easy to maintain and can be cleaned with mild soap, water, and a soft cloth. Perfect for classrooms, preschools, childcare centers, and home learning spaces, this engaging building set supports active learning through creative construction.
Recommended for children ages 3 years and up.
- Open-Ended STEM Building: Build in any direction or angle to explore balance, structure, and design.
- Supports Spatial & Fine Motor Development: Strengthens hand-eye coordination, dexterity, and 3D thinking skills.
- Encourages Cooperative Play: Ideal for group building, collaboration, and shared problem solving.
- Bright, Child-Friendly Colors: Primary colors enhance visual interest and color recognition.
- Durable & Classroom-Ready: Sturdy plastic pieces designed for repeated use in learning environments.
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Why Choose Us
What Makes Constructive Playthings Better?
Experienced
For the past 70 years, each product is selected based on our knowledge of early childhood education combined with research insights, observations of young children in the classroom, and feedback from our customers
Full Service
Our full-service team is available to take you through the entire purchasing process. We have been supplying early-childhood educators with quality products for over 70 years! Connect with us and we can help you with planning, budgeting, designing, and ordering.
Quality Commitment
We stand behind every one of our products and are confident they will become high-caliber additions to any classroom or home. We are committed to offering sustainable solutions for educators. In addition to constantly seeking out new ways to create products that will encourage the longevity of our planet, we have taken steps to build an eco-friendly workplace.
Resource Guidelines
We are dedicated to staying up to date and providing early childhood educators with the resources they need. We update our classroom layouts and guides as new criteria and product offerings evolve, and ensure all materials within these guides meet NAEYC, ITERS-3, ECERS-3, and Head Start standards.
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