About This

• 30-Piece Value Pack & 10 Vibrant Colors:Enjoy abundant play options with 30 acrylic rectangular blocks (2.52.55CM) in 10 distinct fade-resistant colors—3 pieces per color! The long, sleek shape differs from standard cubes, while the glossy polished surface shimmers like real gem blocks, captivating children 1-5 years old with its vibrant appeal.
• Dazzling Light Reflections & Sensory Development:These rainbow long acrylic bricks cast stunning light effects under sunlight or a light table, perfect for sensory play, color recognition, and even as water-safe light up cubes for bathtub fun. The bright glow stimulates visual and tactile development, keeping little ones engaged for hours.
• Advanced Stacking & Collaborative Play: With 30 pieces, the 2.5x2.5x5CM elongated design enables more elaborate builds—tall towers, winding tunnels, or group projects! Compatible with grimms rainbow, wooden gem blocks, and jelly building blocks, they're ideal for stacking rocks for ages 1-3 and encourage teamwork among siblings or friends.
• Child-Safe & Durable Construction: Crafted from non-toxic, BPA-free acrylic, each block features smooth rounded edges to protect small hands. Sized for easy grasping, boys and girls aged 2-5 will cherish them as play gems for pretend play, sensory cubes activities, or color-themed learning games—built to withstand rough everyday play.
• Bulk Gift & Multi-Scene Versatility: Searching for a practical yet fun gift? This 30-piece set of rainbow rectangular building blocks (also known as crystal cubes) makes a standout birthday or holiday present. Perfect for home play, daycare activities, or travel, it pairs seamlessly with acrylic shapes, stacking cubes, or sensory toys for extended fun.