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Roylco®
Crystal Color Stacking Blocks, Set of 50
$19.39
See, hear, touch and play with these fun, lightweight blocks specially designed with grooves for stacking up as high as you can build them. Then enjoy the crisp sounds they make as they topple over each other.
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- Age Group
- 3+ years
- Grade Level
- Grade PK+
- Material
- Plastic
- Color
- Assorted
In stock — 32 available
Expected back in stock: Jul 30, 2026
See, hear, touch and play with these fun, lightweight blocks specially designed with grooves for stacking up as high as you can build them. Then enjoy the crisp sounds they make as they topple over each other. Right side up, or upside down, the blocks are easily stackable into simple or complex forms, and are great for learning how different structures work together to support one another. Overlap different colors to explore color-mixing concepts, and then stack them up on our Light Cube for even more fun as you see your creations become brilliantly illuminated. Includes: 50 blocks, 2 x 2.5" (5 x 6 cm) and guide.
Key Features
- Use to teach color mixing, use to build and use on a light source
- See, hear, touch and play with these fun, lightweight blocks specially designed with grooves for stacking up as high as you can build them. Then enjoy the crisp sounds they make as they topple over each other.
- Right side up, or upside down, the blocks are easily stackable into simple or complex forms, and are great for learning how different structures work together to support one another.
- Overlap different colors to explore color-mixing concepts, and then stack them up on our Light Cube for even more fun as you see your creations become brilliantly illuminated.
| Age | 3+ years |
|---|---|
| Balloon | No |
| Battery Included | N |
| Brand | Roylco® |
| Color | Assorted |
| Contains Aerosol | No |
| Contains Chemicals | No |
| Contains Pesticide/Herbicide/Fungicide | No |
| Contains a Circuit Board | No |
| Contains a Light Bulb | No |
| Contains a Marble | No |
| Contains a Small Ball | No |
| Contains or is a Small Magnet | No |
| Eco Friendly | No |
| Free Flowing Liquid | No |
| Grade | Grade PK+ |
| Has Warranty | No |
| Height (in) | 5.190000 |
| Is a Marble | No |
| Is a Small Ball | No |
| Length (in) | 7.880000 |
| Marketing / Educational Features | STEM |
| Material | Plastic |
| Media Mail Eligible | No |
| Package Contains | 50 blocks |
| Package Count | 50 |
| Registered with WERCS | N |
| Regulated by the US FDA | No |
| Sharp Points or Edges | No |
| Small Parts | No |
| Suitable for Consumption | No |
| Unit of Measure | PK |
| Vendor | ROYLCO INC. |
| Width (in) | 5.210000 |
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These promotions reduce your cart subtotal at checkout when their conditions are met. They do not change the per-item price shown above.
| Cart Promotion | Discount | How it applies |
|---|---|---|
|
Collection: Back to School
mconnect-collection:5
|
10% off | Auto-applied Added to your cart automatically when this product meets the promotion's conditions at checkout. |
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