3 years & up. Keep your teacher supplies, craft materials, and small treasures neatly organized with the Rainbow Sorting Box. Designed for efficiency and convenience, each durable clear-colored case is perfect for sorting everything from manipulatives and stationery to beads, flashcards, or keepsakes. Whether you're organizing a classroom, home office, or creative space, the Rainbow Sorting Box offers vibrant, portable storage with a place for everything. Choose one box for a compact solution or the bundle for even more organizing power - with 16 cases included in the single box and 32 total cases in the bundle.