Fisher-Price Wonder Makers design system Build it Up! Expansion Pack

Expand your child's creative construction world with the Fisher-Price Wonder Makers Build It Up! Design System Expansion Pack. Engineered to integrate seamlessly with the existing Wonder Makers Design System platform, this expansion set delivers additional building pieces in durable, child-safe ABS plastic construction. Components feature interlocking connectors compatible with the full Wonder Makers lineup, enabling modular configurations for miniature scene building. Recommended for ages 3 and up, the set supports open-ended, imaginative play that targets fine motor skill development and spatial reasoning. Individual pieces are sized for small hands chunky enough for safe handling yet detailed enough to encourage precision placement.

Color palette spans multiple bright hues for visual engagement and easy sorting. Designed for indoor tabletop use; all components meet ASTM F963 and CPSC safety standards. Pairs with existing Wonder Makers sets to extend layout scope and increase build complexity. Ideal for solo or cooperative play sessions. Lightweight, portable pieces store easily in standard toy bins. A practical gift for preschool and early elementary-age builders.