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Matte Rainbow is a 16-piece Rock Blocks set of Alder hardwood stacking and balance blocks. Handcrafted in the USA and painted with non-toxic, zero-VOC acrylic paints in an eggshell finish, the set features a soothing mix of vibrant and muted colors. Recommended for ages 2 and up and presented as a birthday gift for preschoolers.
Key Features
- Set contains 16 pieces in a matte rainbow palette
- Handcrafted in the USA, each block individually made
- Painted with non-toxic, zero-VOC acrylic paints
- Eggshell finish for a soft, natural look
- Made from sustainably sourced Alder hardwood
- Waldorf-inspired and Montessori build and balance blocks
- Encourages tactile exploration and screen-free play
- Each block is distinct to enhance unique play experiences
Details
- Brand: Rock Blocks
- Product type: Health & Safety
- Set name: Matte Rainbow | Set of 16
- Contents: 16 pieces
- Colors: vibrant oranges and yellows, muted purples and greens, rose red, robin blue, almond cream, cloud white
- Materials: sustainably sourced Alder hardwood
- Finish and paint: non-toxic, zero-VOC acrylic paints in an eggshell finish
- Craftsmanship: Each block is individually handcrafted in the USA
- Inspiration: Waldorf-inspired; Montessori build and balance blocks
- Play focus: sensory and screen-free tactile exploration
- Recommended ages: Recommended for ages 2 and up; Ages 2-4
- Gift suggestion: A dependable birthday gift for preschoolers
Who It Is For
For young builders and dreamers, recommended for ages 2 and up and listed as ages 2-4. Suitable as a birthday gift for preschoolers and for children who enjoy stacking, balancing, and imaginative play.
Frequently Asked Questions
How many pieces are in the Matte Rainbow set?
The Matte Rainbow set contains 16 pieces.
What wood are the blocks made from?
The blocks are made from sustainably sourced Alder hardwood.
Are the paints safe for children?
The blocks are painted with non-toxic, zero-VOC acrylic paints in an eggshell finish.
Where are the blocks made?
Each block is individually handcrafted in the USA.
What ages are recommended for this set?
The set is recommended for ages 2 and up and is listed as ages 2-4.
All orders are processed and shipped within a maximum of 2 to 5 business days. Please note that this is an estimated timeline and does not constitute a guarantee, as national holidays and other external factors may impact final delivery and shipping times.
🚚 Free Shipping and Discount Clarification
For qualifying orders of $100 or more, the maximum available discount applied to your order is $30.


Made from sustainably sourced Alder hardwood and handcrafted in the USA. The natural grain and weight give each piece a satisfying, tactile feel that stands up to play.

A 16 piece challenge set encourages longer, more complex stacking and imaginative constructions. Great for ages 2 and up, it supports fine motor skills, spatial reasoning and open ended play.

Painted with non toxic, zero VOC acrylics in an eggshell finish for a gentle, low shine surface. The handcrafted finish offers a pleasing tactile experience for little hands.
Consider these practical points so the set fits your child and your space.
- Set size: Smaller sets are simpler to manage, while a 16 piece set offers more challenge and longer play sessions.
- Age and skill: For children around 2 and up, look for varied shapes that invite stacking and balancing to build fine motor skills.
- Color and learning: Muted and bright tones both teach color recognition, but softer palettes support calm, open ended, nature inspired play.
- Material and finish: Choose hardwood with a non toxic finish for durability and a pleasant tactile surface that holds up to handling.
- Care and storage: Keep blocks dry, wipe clean with a damp cloth, and store in a basket or bin to protect the finish.
What age are these Rock Blocks best for?
Recommended for ages 2 and up, the 16 piece set offers more complex stacking challenges as children grow.
Are the paints and finishes safe for my child?
Yes. The blocks are painted with non toxic, zero VOC acrylic paints in an eggshell finish, and are made for little hands.
How should I clean and care for the blocks?
Wipe with a damp cloth and mild soap if needed, dry thoroughly, and avoid soaking to protect the wood and finish.
What is your shipping and returns policy?
We ship from a US warehouse, offer free US shipping on orders over $100, and accept returns within 30 days. If anything arrives damaged, contact our human customer support and we will help.
Why choose the 16 piece set instead of fewer pieces?
A 16 piece set gives more shape and color variety, encouraging longer, more complex builds that boost creativity and problem solving.
G 5.0 on Google · 9 reviews · Verified buyer reviews from our store
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"