--- product_id: 685469354 title: "654252 Fun Science Brain Tricks, Amazing Experiments with Optical Illusions and Illusions, Including 3D Glasses, Sphericon, Slate Space, Experiment Set for Children from 8-12 Years" brand: "kosmos" price: "209 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/685469354-654252-fun-science-brain-tricks-amazing-experiments-with-optical-illusions store_origin: PL region: Poland --- # Sphericon & optical illusions 8+ STEM brain workout 3D & spectral vision glasses 654252 Fun Science Brain Tricks, Amazing Experiments with Optical Illusions and Illusions, Including 3D Glasses, Sphericon, Slate Space, Experiment Set for Children from 8-12 Years **Brand:** kosmos **Price:** 209 zł **Availability:** ✅ In Stock ## Summary > 🧩 Unlock your brain’s hidden tricks with every experiment! ## Quick Answers - **What is this?** 654252 Fun Science Brain Tricks, Amazing Experiments with Optical Illusions and Illusions, Including 3D Glasses, Sphericon, Slate Space, Experiment Set for Children from 8-12 Years by kosmos - **How much does it cost?** 209 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/685469354-654252-fun-science-brain-tricks-amazing-experiments-with-optical-illusions) ## Best For - kosmos enthusiasts ## Why This Product - Trusted kosmos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Perfect for Ages 8-12:** No assembly or batteries needed—just pure brain-boosting fun for young science enthusiasts. - • **Hands-On STEM Learning:** Engage with puzzles and experiments designed to explain brain function and visual perception. - • **Complete Experiment Kit:** Includes Sphericon, spinning tops, color foils, mirrors, and wooden pens for endless creative exploration. - • **Mind-Bending Optical Illusions:** Explore ambiguous figures and distortion mirrors that challenge your perception and spark curiosity. - • **Interactive 3D & Spectral Glasses:** Put on multi-function glasses for sharp, vivid 3D effects that bring illusions to life. ## Overview The KOSMOS 654252 Fun Science Brain Tricks set offers children aged 8-12 an immersive STEM experience through hands-on optical illusions and brain puzzles. Featuring multi-function 3D glasses, a unique Sphericon, and a variety of interactive tools, this kit combines education with mind-bending fun—no batteries or assembly required. Perfect for young minds eager to explore how their brain perceives reality. ## Description Fun Science - Brain Tricks A roller coaster ride for the brain! With the Brain Tricks, children experience amazing illusions and effects with their own eyes: From ambiguous figures to self-designed 3D images to the fascinating Sphericon, each experiment is a little mystery at the same time. The exciting tour across the world of optical illusions shows how our brain works. The instructions explain what you actually do not want to believe in your eyes. It is best to put on the multi-function glasses directly and test the amazing 3D, sharp and spectral vision through various experiments. This Kosmos experiment box is like jogging for the brain for children between 8 and 12 years, and fascinates again and again. Contents: Sphericon, punching sheets and mirrors (including archway, crooked space, multi-function glasses, spinning top attachments and more), paper sheets (including illusion images, distorted images, painting pictures, craft templates and more), spinning top, 3D colour foils, spectral foil, perforated foil, wooden colouring pens, instructions ## Features - Experience amazing illusions and fascinating effects on your own body: the brain is misled faster than you think - From distortion mirror to the fascinating Sphericon to self-designed 3D images - the experiments give up small puzzles and amaze with optical illusions - How can a figure have two shapes at the same time. Why can I suddenly no longer paint the simplest things. The brain tricks not only inspire you, they make curious about mint and science - The instructions accompany the individual attempts, explain the objects and brings light into the dark of illusions - so you understand what your own eyes hardly want to believe - The Kosmos experiment set explains to children between 8 and 12 years the functioning of their brain and invites you to a roller coaster ride through their own head ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 29.2 x 19.8 x 6.6 cm; 251 g | | Manufacturer recommended age | 8 - 12 years | | Item model number | 654252 | | Educational Objective(s) | STEM | | Language: | German | | Assembly Required | No | | Batteries Required? | No | | Batteries Included? | No | | Material Type(s) | Cardboard | | Color | multicoloured | | Release date | 3 March 2022 | | ASIN | B09JRGGLC9 | ## Product Details - **Size:** Mittel - **Brand:** Kosmos - **Theme:** Science - **Age range (description):** Kind - **Item dimensions L x W x H:** 29.2 x 19.8 x 6.6 centimeters ## Images ![654252 Fun Science Brain Tricks, Amazing Experiments with Optical Illusions and Illusions, Including 3D Glasses, Sphericon, Slate Space, Experiment Set for Children from 8-12 Years - Image 1](https://m.media-amazon.com/images/I/81i2w2X52TL.jpg) ## Available Options This product comes in different **Style** options. --- ## 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.pl/products/685469354-654252-fun-science-brain-tricks-amazing-experiments-with-optical-illusions](https://www.desertcart.pl/products/685469354-654252-fun-science-brain-tricks-amazing-experiments-with-optical-illusions) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-10*