Melissa & Doug Jumbo Cardboard Blocks (40 pc) – Lightweight Montessori Building Set for Toddlers

Spark creativity with Melissa & Doug Jumbo Cardboard Blocks. This 40-piece set uses three distinct sizes and bold primary colors—red, blue, and yellow—to invite expansive, hands-on building adventures. The blocks are lightweight enough for little hands to lift, stack, and rearrange, while their sturdy cardboard construction stands up to daily pretend play. A wipe-clean surface keeps cleanup quick between projects, and simple fold-together instructions help you start building right away.

Three sizes, endless possibilities

The collection includes 24 small yellow blocks, 8 medium blue blocks, and 8 large red blocks, offering a variety of shapes and scales. Kids can explore towers, forts, tunnels, and cityscapes, learning as they go through imaginative play.

• Fort-Building Fun: construct castles, forts, and sprawling layouts for hours of creative play
• Easy handling: lightweight, safe for toddlers to lift and stack
• Clean-up ready: wipe-clean surfaces simplify post-activity care

Learning through open-ended play

Beyond fun, these blocks support important developmental skills. Lifting and stacking support gross motor development, while arranging blocks helps kids cultivate spatial awareness and problem-solving as they test different configurations. Cooperative play emerges as children collaborate on larger builds, and independent exploration remains rewarding.

• Promotes cooperative play: teamwork and communication come to life during shared projects
• Supports independent play: kids explore ideas at their own pace
• Foundational learning tool: ideal for preschool activities and homeschool routines

Care, storage, and everyday use

Durable yet lightweight, the cardboard blocks are designed for daily use in playrooms, classrooms, or living spaces. The wipe-clean surface supports quick cleanup after art time, and the flat-pack design makes storage straightforward. This classic Melissa & Doug set offers a versatile alternative to wooden blocks, fitting neatly into a broad range of learning environments while encouraging creativity and collaboration without dictating outcomes.