Coloured Jumbo Architect Building Blocks 900+ Pcs. Product Type: Multicolor play building blocks set with 900+ interlocking pieces that connect securely for stable construction Creative Building Possibilities: Can make various shapes with these blocks like rail, see-saw, square, windmill, table and chair, building, cars, houses, boats, aeroplanes, castles, ships, trucks, planes, bus, van, garden, animals, and helicopter of different sizes allowing children to show their creativity Indoor Play Activity: Keep your children busy with this indoor play set that lets their imagination grow, available in attractive bright colors and comes in convenient box packing Learning Through Play: Pair objects with matching forms to learn shapes, learn colors with a rainbow of hues, and build and rebuild for open-ended creativity with pieces designed for little hands Skill Development: Promotes hand-eye coordination, problem solving, creativity and imagination, shape and color recognition through interactive building activities Age Appropriate Design: Features smooth rounded edges and easy-to-grasp pieces that fit inside each other so kids can explore size relationships and discover different ways objects fit together, suitable for ages 3 to 6 years