--- product_id: 509652839 title: "Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, Ages 3 Months and up" brand: "einstein" price: "€ 21.21" currency: EUR in_stock: true reviews_count: 3 category: "Baby Einstein" url: https://www.desertcart.pt/products/509652839-baby-einstein-ocean-explorers-opus-s-stack-and-stream-sensory store_origin: PT region: Portugal --- # Slotted cups for water streaming Color-changing cup in warm water Textured grips for fine motor skills Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, Ages 3 Months and up **Brand:** einstein **Price:** € 21.21 **Availability:** ✅ In Stock ## Summary > 🌊 Dive into discovery with every splash! ## Quick Answers - **What is this?** Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, Ages 3 Months and up by einstein - **How much does it cost?** € 21.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/509652839-baby-einstein-ocean-explorers-opus-s-stack-and-stream-sensory) ## Best For - einstein enthusiasts ## Why This Product - Trusted einstein brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Water Play Wonder:** Slotted cups and clamshell squirter transform bath time into a sensory exploration session. - • **Color-Changing Magic:** Opus the Octopus cup shifts color in warm water, sparking curiosity and wonder. - • **Compact & Convenient:** Nesting design for easy storage and quick cleanup—perfect for busy parents on the go. - • **Stack, Pour & Discover:** Four large nesting cups encourage cause-and-effect understanding and hand-eye coordination. - • **Multi-Sensory Ocean Adventure:** Engage baby with vibrant colors, textures, and water play for immersive learning. ## Overview The Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups set includes 4 large, textured nesting cups and a clamshell water squirter designed for babies 3 months and up. Featuring a color-changing octopus cup and slotted cups for water streaming, this toy promotes fine motor skills, sensory learning, and cause-and-effect understanding through engaging, multi-sensory ocean-themed play. Durable, easy to clean, and perfect for bath or floor play. ## Description Product Description Help baby build new discoveries with the Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, a 5-piece set of nesting cups and accessories that engage baby in sensory play and promote cause and effect and fine motor skills. Designed to let baby explore as they stack, stream, and pour, each of the 4 ocean-themed cups is large and textured for baby to easily grasp and play. Squeeze in some cause-and-effect fun with the purple clamshell water squirter, or delight in watching Opus the Octopus from Baby Einstein Ocean Explorers change color in warm water! Perfect for water play or floor play. Directions Fill the toy with water, squeeze it gently to let the water out and supervise the baby during play Review: Wonderful gift for ocean explorers - Lovely gift for friends and bought for my own family, too. Great price and would buy again. Review: Great bath toy - Got two of these as Christmas presents, one for my 10 month old and one for my 3 month old niece. Great little bath toys! Much bigger than expected too ## Features - The Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups help baby engage in multi-sensory play with 4 large nesting cups and a clamshell water squirter to help baby stack, pour and discover colors, textures, and more. - Opus the Octopus cup changes color in warm water. Other cups feature vibrant colors to support color learning and visual stimulation, as well as textures for multi-sensorial exploration. - Helps build cause and effect, fine motor skills, and sensory learning as baby stacks, pours, sits, and nests cups. - Great for water play, as slotted cups allow baby to stream water. - Largest cup is 4.10 x 3.48 x 6 inches. Smallest cup is 3.96 x 2.5 x 2.37 inches. Cups nest for easy storage. Wipes clean. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BLP53T22 | | Age Range Description | Baby | | Best Sellers Rank | 167,432 in Toys & Games ( See Top 100 in Toys & Games ) 1,503 in Sorting, Stacking & Plugging Toys | | Brand Name | Baby Einstein | | Colour | Stack & Stream 5-pieces | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 65 Reviews | | Educational Objective | Motor Skills | | Global Trade Identification Number | 00074451131453 | | Item Dimensions | 10.4 x 8.8 x 15.2 centimetres | | Item Weight | 0.21 Kilograms | | Manufacturer | Kids2 | | Material Type | Plastic | | Maximum Age Recommendation | 36 | | Minimum Age Recommendation | 3 | | Number of Players | 1 | | Operation Mode | Manual | | Size | 1 Count (Pack of 1) | | Subject Character | Opus | | Supported Battery Types | No battery required | | Theme | Animal | | UPC | 074451131453 | | Unit Count | 6.0 Count | ## Images ![Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, Ages 3 Months and up - Image 1](https://m.media-amazon.com/images/I/51S0ScyoUOL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Wonderful gift for ocean explorers *by E***A on 15 December 2025* Lovely gift for friends and bought for my own family, too. Great price and would buy again. ### ⭐⭐⭐⭐⭐ Great bath toy *by J***A on 22 January 2024* Got two of these as Christmas presents, one for my 10 month old and one for my 3 month old niece. Great little bath toys! Much bigger than expected too ### ⭐⭐⭐⭐⭐ Great *by A***S on 22 January 2024* I was really impressed with the size of this - it was part of my son's Christmas gifts as a stocking filler but the size was like a main gift. ## Frequently Bought Together - Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups, Ages 3 Months and up - Baby Einstein, Sticky Spinner Booster & High Chair Activity Toy, Rattle, Sensory Play, Visual Stimulation, Spinning Wheel, Suction Cup Base, BPA-Free, Ages 3 Months+ - Baby Einstein Curiosity Clutch Fidget Sensory Toy and Pop It Rattle, BPA Free Infant Teether, Age 3 Months+ --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/509652839-baby-einstein-ocean-explorers-opus-s-stack-and-stream-sensory](https://www.desertcart.pt/products/509652839-baby-einstein-ocean-explorers-opus-s-stack-and-stream-sensory) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-30*