🌈 Stack, shine, and spark joy—build your colorful world today!
KOAICS Rainbow Crystal Acrylic Cubes are a set of 32 hand-sanded, 2.5cm acrylic gemstone blocks in 16 vibrant colors. Designed for children aged 3 and up, these cubes create stunning light and shadow effects when held to light, enhancing sensory and STEM learning through playful stacking and color exploration. Perfect as an educational gift, they combine durability, safety, and visual appeal to engage kids and families alike.
| ASIN | B0B9NDLL58 |
| Best Sellers Rank | #25,415 in Toys & Games ( See Top 100 in Toys & Games ) #55 in Toy Stacking Block Sets |
| Customer Reviews | 4.4 4.4 out of 5 stars (137) |
| Item Weight | 1.28 pounds |
| Manufacturer | KOAICS |
| Manufacturer recommended age | 3 years and up |
| Product Dimensions | 1 x 1 x 1 inches |
J**I
Unbelievable
These are the coolest thing I’ve ever bought in my life maybe. We got them for our 4 year old but the whole family is obsessed with them. Absolutely crystal clear they are sooo neat to look through, stack, when you put them in larger colored boxes they make neat optical illusions and disappear-I can’t wait to take them outside in summer. We can’t wait to add more sets. These are not cheap at all but my gosh they are beyond worth it.
E**K
A simple toy for all ages of kids
I bought these to put on my coffee table to entertain my kids( 8,9). They immediately started building. The color reflection is their favorite part.
T**R
Perfect size!
These are smaller than I expected but they ended up being the perfect(!) size for our little guy to load into dump trucks of all sizes, and stack, and play with creatively. They are so pretty in the sunlight! He loves the red one best!
S**Y
Great buy
Great toy. Really nice clarity. My son has found lots of imaginative uses for these.
T**R
Waste of time and money
TINY I absolutely should have read this better but will definitely be returning. They are TINY and super cheap looking for $40. I thought they would be the size of an average block. Not even close.
A**R
Great quality if your child is into blocks
High quality blocks, but not that interesting to play with
S**S
Fun
They are fun to play with. :)
S**.
Vibrant colors!!
Kids love them! My 11yo autistic son (ASD3) loves to look at his world through them. Colors are vibrant!! A bit on the expensive side though. I'm sure they're not cheap to make. So we'll get a small set at the time until we have some of each size and shape.
R**A
These are beautiful and so fun to play with. Colours are bright and have lots of depth, and they feel fun to stack. One word of warning for smaller kids: my son was trying to put these in his mouth a lot at first because they look like candy, and they could be a risky size for choking - I wouldn’t recommend these for smaller kids playing unsupervised
N**A
Great quality and beautiful colors. i just received my order today for my toddler. We both fell in love with these blocks. I wish I had ordered more pieces. Note that it doesn't come with any storage box. We added ours to a pouch. Happy with this purchase.
K**Y
Super petit cube se manipule très bien peu importe l'âge très belle ensemble pour une table lumineuse
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