Plus-Plus BIG 400-Piece Tub is a versatile construction toy designed for children aged 18 months and up. Featuring 400 large, interlocking pieces in a variety of vibrant colors, this set encourages open-ended play, allowing kids to create both 2D mosaics and 3D structures. The unique single-shape design simplifies building, making it accessible for young builders to develop fine motor skills, spatial reasoning, and creativity. Packaged in a durable, reusable tub, it’s ideal for both individual play and group activities in educational settings. Made in Denmark from BPA-free and phthalate-free plastic, Plus-Plus BIG offers a safe and engaging way to foster STEM learning through imaginative play.