Mini Flexi-Builders | Flexible STEM Construction Building 77-Piece Set

Constructive Playthings Mini Flexi-Buildersinspire 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.