Rainbow Cube Building Blocks

🌈Rainbow Cube Building Block Set

Beautiful, open-ended blocks for curious minds and calming, creative play.

Encourage imagination, concentration and connection with our Rainbow Building Block sets — perfect for stacking, sensory exploration and role play. With their smooth texture and soft bevelled edges, these versatile blocks are a staple for any Montessori, Waldorf or open-ended play space.

Whether your child is building towers, creating characters or watching light bounce through coloured blocks, these blocks bring play to life in gentle, engaging ways.

✨ How can I use these blocks?

• Use during light play and enjoy how the blocks reflect soft colours across the floor
• Build towers to explore balance, coordination and problem solving
• Incorporate into sensory trays or imaginative play as counters, pretend characters or small-world props
• Learn through play: colours, shapes, gravity, shadows and textures
• Take them on the go for screen-free, calming activities that offer repeated engagement

💛 Why parents & educators love them:

• Great for light table play, sensory trays or quiet corners
• Encourages focus and calm, supporting early emotional regulation
• Helps develop fine motor skills, problem solving and creativity
• Promotes open-ended play that grows with the child
• Adaptable for loose parts play, counting, colour sorting or storytelling
• Easy to clean, easy to pack, built to last

These blocks also offer indirect emotional benefits — from quiet solo play that helps little ones regulate, to shared play that builds connection and confidence.

📏 Product Details

• Choose between a set of 10 or 20 Rainbow Acrylic Cube Blocks
• Each block measures 2.5cm x 2.5cm x 2.5cm
• Comes in a cotton drawstring pouch for easy storage or on-the-go play
• Designed to pair perfectly with our Wooden Window Houses or mix and match with our Rainbow Rectangle Building Block sets (sold separately)

📦 Materials & Care

• Made from high-quality shatterproof acrylic
• Smooth, tactile and safe for small hands
• Wipe clean with a damp cloth or warm soapy water
• Please note: acrylic may develop small scratches over time with regular use

🔒 Safety Info

• UKCA certified meaning it is safe for little hands and made of non-toxic materials, meeting all UK Toy Safety standards
• Suitable for children aged 3 years+ due to small parts
• Adult supervision recommended during play

📮 Shipping

• Shipped via 48 hour tracked delivery as standard or upgrade at checkout to 24 hour tracked delivery. For both options we aim to dispatch your item within 1-2 days of receipt.

💛 Why choose Infinite Wonder?

We’re a UK-based, mum-founded brand creating beautiful, open-ended toys that invite connection, curiosity and calm — with a growing focus on emotional learning through play.