Each set includes 7 silicone stacking cups.
We want to be very clear: this is a 7-cup set, not a 10-cup set. The cups are designed to stack, nest inside one another, and pack down compactly for easy cleanup, travel, and storage.

Yes, they are intentionally compact and baby-friendly.
The full set measures approximately 3.53″ x 3.53″ x 2.56″ when nested together, making them easy for little hands to grab, hold, chew, stack, knock down, and carry around.
They are not oversized cups — they are designed for babies and toddlers, especially for early grasping, sensory play, and on-the-go use.

They are made to be soft but structured.
The silicone is flexible enough to be gentle if baby drops, squeezes, or bumps into them, but still firm enough for early stacking, nesting, and knocking-down play.
Younger babies may mostly chew, grab, bang, or knock them over at first. As they grow, they naturally begin practicing stacking, sorting, nesting, and problem-solving.

Please stop using the cup right away if you notice any tearing, cracking, splitting, or missing pieces.
While the cups are made for everyday baby play, babies with teeth may bite harder over time, so regular inspection is important. If anything arrives damaged or you run into an issue, contact our support team and we’ll help make it right.
Your order is backed by our 30-Day Happiness Guarantee.

The Montessori Sensory Stacking Cups are recommended for babies 6+ months.
At 6 months, many babies enjoy grabbing, chewing, squeezing, and knocking the cups down. As they grow into older babies and toddlers, they begin using them for stacking, nesting, sorting, counting, pouring, and pretend play.
For children under 3, we always recommend supervised play.

These cups encourage simple, hands-on discovery — a key part of Montessori-inspired play.
Instead of lights, sounds, or screens, your baby learns through real movement and repetition: reaching, grasping, stacking, nesting, comparing sizes, exploring textures, and figuring out what happens when a tower falls.
It’s calm, purposeful play that helps build confidence one little success at a time.

Yes. The cups are simple to clean after everyday play.
Handwash with warm water and mild detergent, then wipe with a clean dry cloth or let them air dry.
We do not recommend claiming dishwasher use unless confirmed on your specific product packaging, so handwashing is the safest care instruction.

They can be used for supervised water sensory play, such as pouring, scooping, rinsing, and splashing.
However, they are not designed as floating bath toys, so we don’t recommend buying them specifically for floating in the tub.
After water play, wash and dry them fully before storing.

We offer a 30-Day Happiness Guarantee.
If your little one doesn’t stay engaged or if the product isn’t a perfect fit, we’ll make it right.