Sensory Rainbow Blocks

Sustainability feature

Sustainability features

This product has sustainability features recognized by trusted certifications.

Forestry practices

Made with materials from well-managed forests, recycled materials, and/or other controlled wood sources.

As certified by

FSC Certified & CPC Safety Verified
FSC Certified & CPC Safety Verified
Age: 3-6 Years
Regular price $76.98 USD
Sale price $76.98 USD Regular price $79.99 USD
Save $3.01 Sold out
Shipping calculated at checkout.

SKU: ALTY1182

Description

This 22-piece rainbow sensory block set combines wooden building blocks with clear acrylic windows filled with colored sand, colored liquid, or colorful beads. Children can stack, sort, shake, and observe the blocks during hands-on play. Designed for ages 2–6, the set supports screen-free, open-ended play without fixed rules or required outcomes. Five block shapes invite children to create their own structures while exploring color, shape, sound, and movement. The natural wood appearance brings a warm, playful look to nurseries, playrooms, and classrooms. With multiple ways to build and explore, this sensory block set also makes a thoughtful birthday or holiday gift for young children.

Features
  • Visual, Sound, and Movement Feedback: Clear acrylic windows reveal flowing colored sand, swirling colored liquid, or colorful beads that respond as children tilt, shake, and observe each block.
  • 22 Pieces in 5 Shapes: Includes small squares, large squares, rectangles, semicircles, and triangles for building, sorting, shaking, and observation activities.
  • Open-Ended, Screen-Free Play: Children can stack, arrange, sort, and explore freely without screens, fixed rules, or one prescribed way to play.
  • Wooden Look for Play Spaces: Beech wood frames create a warm, tactile look for nurseries, playrooms, and classrooms.
  • Gift-Ready Play Set: A versatile sensory building toy for birthdays, holidays, and everyday hands-on play for children ages 3–6.
Specifications
  • Age Range: Ages 3–6
  • Total Pieces: 22
  • Shapes: 9 small squares, 3 large squares, 5 rectangles, 3 semicircles, and 2 triangles
  • Frame Material: Beech wood
  • Window Material: Clear acrylic
  • Sensory Fillings: Colored sand, colored liquid, and colorful plastic beads
  • Play Types: Building, stacking, sorting, shaking, and observing
  • Safety Note: Adult supervision recommended

See Skills

  • Real-Life Connection
  • Healthy Eating Awareness
  • Fine Motor Skill
Safe Payment
Free Express Shipping*
Delivery 7-10 Weekdays



More payment options

  • 5 stars: 65 (84%)
  • 4 stars: 11 (14%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (1%)
A
Amanda

I was looking for something screen‑free that my child could return to independently, and this has worked beautifully. The pieces are engaging without being complicated. He enjoys testing which shapes fit together and proudly shows us every new design he creates after dinner.

U
Ustin

We brought these out during a rainy weekend, and they became the main attraction. My kids enjoyed experimenting with balance and making different patterns with the colorful centers. The natural wood gives them a warm feel, and they have handled plenty of enthusiastic play already.

L
Lauren

My twins use these differently every single day, which I really appreciate. One likes sorting by color while the other builds elaborate little cities. The transparent sections catch the light beautifully near our window. It feels like a toy that will grow with them.

K
Katie

I bought this for my preschooler, but her older brother joins in every time it comes out. The bright inserts make simple building feel more interesting, and the pieces encourage lots of imaginative play. Cleanup is easy because everything fits neatly into our toy basket.

E
Emily

The colors immediately caught my daughter’s attention, and she keeps finding new ways to stack the pieces. The wooden frames feel nicely finished and easy for little hands to hold. A few shapes take patience to balance, but that has become part of the fun.

K
Kevin

We are completely in love with these gorgeous play pieces. The wood is smooth and durable, and the colorful liquid chambers provide a soothing, fun experience for my kids. They love constructing elaborate castles and watching everything shift.

R
Robert

This is hands down the best toy we have added to our playroom this year. The vibrant colors paired with smooth natural wood look stunning, and my kids play with them daily. Watching the beads and liquid flow inside keeps them completely hooked. Absolute perfection!

J
James T.
Keeps them occupied

Good quality stuff. The blocks are a nice size for little hands, and my grandkids love making patterns with them. The only thing is they slide a little bit if you try to build too high, but other than that, they're great.

A
Ashley A.
Super durable

My toddler is not gentle with toys, and these have held up perfectly. They feel really solid and I love the combination of the natural wood and the colors inside. They are a great way to keep him busy and focused.

R
Robert M.
Mesmerizing to watch

Even I find myself playing with these sometimes! They are so soothing to watch. The materials feel premium and safe for my toddler. Definitely one of the better toy investments we've made lately.

E
Emily D.
Best purchase for quiet time!

These have become a staple during quiet time in our house. They are so calming to look at. I love that they are made from real wood, they feel solid and durable. They are perfect for imaginative building.

S
Sarah J.
Absolutely stunning quality

These are honestly so beautiful to look at. The wood feels smooth and high-quality, and my daughter is obsessed with watching the colors move inside. They’ve kept her entertained for ages, which is a total win for me. Highly recommend for any playroom!

O
Oliver H.
So many pieces

Dumped the whole set out on the table and you really get a lot for your money. 22 pieces is plenty for two kids to share without fighting. Seeing all the different shapes and colors mixed together just invites them to start building and sorting.

J
Jessica &.T.
The bead blocks sound like little maracas!

Snapped a picture of these on our carpet. The blocks with the little blue and red plastic beads inside are a huge hit. They make a really satisfying rattle sound when you shake them. Visually and auditorily engaging!

V
Vanessa L.
Easy to pack away

Kept the original box because it’s actually great for storage. My kids love pulling the tray out onto the floor to pick their pieces. The colors are very vivid against the natural wood. Glad we purchased this 22-piece set.

B
Brandon W.
They stack surprisingly well!

I wasn't sure how well blocks with acrylic centers would stack, but the wooden frames are perfectly flush. We built this little structure on our counter. The blue beads and green sand blocks balance perfectly on top of each other. Great for spatial awareness.

A
Alicia G.
Calming sensory toy for quiet time

We were playing with these on our textured rug this morning. Watching the green and yellow sand slowly fall through the clear windows is incredibly soothing. It’s the perfect toy for winding down before nap time.

S
Sophie T.
Couldn't even wait to get them all out!

My kids were so excited when we opened this on their play mat. The blue bead square and the blue liquid one instantly caught their eyes. The plastic insert is actually quite handy for seeing exactly which shapes you are missing when cleaning up.

M
Megan C.
Beautiful packaging, makes a perfect gift

I was impressed with how nicely these arrived. The box is very presentable, and the plastic tray keeps all the blocks secure during shipping. If you are looking for a nice Montessori gift for a 2 or 3-year-old, this presentation is 10/10.

K
Kevin O.
Stunning contrast and great variety

They look absolutely beautiful scattered on our dark wood floor! I love that this set has a mix of everything—the yellow liquid half-circle and the green sand square are my toddler's current favorites.

L
Lauren D.
Colored water is mesmerizing!

Took a close-up of these triangle blocks because the red liquid inside is just so vibrant. When you tilt them, the liquid moves slowly and catches the light beautifully. The wood is also sanded down perfectly smooth.

D
Debra A.

Not as
Pictured.

S
Stephanie

My kids love creating designs on the floor before turning them into towers. The colorful details make even a simple arrangement look exciting, and the pieces work nicely with the other wooden toys we already own. It has encouraged plenty of creative, hands‑on play.

D
Derek

These blocks made a great activity for my child and her grandparents to enjoy together. They started with color sorting and ended up building a whole neighborhood. The set feels engaging but not overstimulating, and it gives her lots of chances to practice patience.

P
Paige

I appreciate how naturally this invites conversation during play. My daughter tells stories about each structure she builds, then starts over with a completely new idea. The shapes are interesting without being frustrating, and the smooth finish has held up beautifully through frequent use.

Growth · Confidence· Montessori

Subscribe to your parenting guide.

0-3 Months

Run

3 -6 Months

Run

6-9 Months

Run

12 -18 Months

Run

18 Months -3 Years

Run

3 -6 Years

Run