{
  "schema_version": "compare-page.v2",
  "page_id": "building-toys-that-teach-gears-magnets-or-simple-machines",
  "url": "https://robotrunk.com/compare/want/building-toys-that-teach-gears-magnets-or-simple-machines",
  "title": "Building toys that teach gears, magnets, or simple machines",
  "question": "Which building toys teach how gears, magnets, or simple machines work?",
  "answer": "Klutz DIY Rainbow Catcher: Maker Lab STEM Kit: The kit builds into a motorized machine using gears and electronic components to make rainbows move around the room.\nYookidoo Tumble Ball Stacker: The side gears can turn alone or interact with one another.\nTegu Magnetic Racer Building Block Set: Compatible with all other Tegu Magnetic Wooden Blocks.",
  "kind": "learning & s.t.e.m",
  "market": "US",
  "generated_at": "2026-10-26T02:39:44.124Z",
  "columns": [
    "Gears",
    "Magnets",
    "Age range",
    "Included parts"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f3",
      "product": "Yookidoo Tumble Ball Stacker",
      "field": "age range",
      "value": "The sources disagree on age: the maker says 9–24 months, while the store feed says 1 year and older.",
      "stated_as": "9-24Months",
      "source_type": "guide",
      "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
      "source_read_at": "2026-09-28T09:50:10.465Z"
    },
    {
      "ref": "p1.f6",
      "product": "Yookidoo Tumble Ball Stacker",
      "field": "included items",
      "value": "The maker’s contents section lists one stacker base, one funnel head, three stackers and three rattling balls.",
      "stated_as": "1 x stacker base\n1 x funnel head\n3 x stackers\n3 x rattling balls",
      "source_type": "guide",
      "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
      "source_read_at": "2026-09-28T09:50:10.465Z"
    },
    {
      "ref": "p1.f9",
      "product": "Yookidoo Tumble Ball Stacker",
      "field": "gears",
      "value": "The side gears can turn alone or interact with one another.",
      "stated_as": "The gears on the sides of the blocks turn and interact with each other or by themselves.",
      "source_type": "guide",
      "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
      "source_read_at": "2026-09-28T09:50:10.465Z"
    },
    {
      "ref": "p2.f1",
      "product": "Tegu Magnetic Racer Building Block Set",
      "field": "Age range",
      "value": "Designed for children from 12 months to 3 years.",
      "stated_as": "children between the ages 12 months and 3 years",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f2",
      "product": "Tegu Magnetic Racer Building Block Set",
      "field": "Included",
      "value": "Includes a chassis, body and driver.",
      "stated_as": "Complete with a chassis, body and driver",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p2.f4",
      "product": "Tegu Magnetic Racer Building Block Set",
      "field": "Compatibility",
      "value": "Compatible with all other Tegu Magnetic Wooden Blocks.",
      "stated_as": "Fully compatible with ALL other Tegu Magnetic Wooden Blocks.",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-23T19:03:51.372Z"
    },
    {
      "ref": "p3.f1",
      "product": "Klutz DIY Rainbow Catcher: Maker Lab STEM Kit",
      "field": "operation",
      "value": "The kit builds into a motorized machine using gears and electronic components to make rainbows move around the room.",
      "stated_as": "Build a motorized machine using gears and electronic components to make rainbows spin around your room!",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/klutz-diy-rainbow-catcher-maker-lab-stem-kit",
      "source_read_at": "2026-09-25T15:19:10.813Z"
    },
    {
      "ref": "p3.f4",
      "product": "Klutz DIY Rainbow Catcher: Maker Lab STEM Kit",
      "field": "age discrepancy",
      "value": "The store lists a narrower recommended age of 8–12 years, while the maker says ages 8 and up.",
      "stated_as": "Recommended age\n8 - 12 years",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/klutz-diy-rainbow-catcher-maker-lab-stem-kit",
      "source_read_at": "2026-09-25T15:19:10.813Z"
    },
    {
      "ref": "p3.f11",
      "product": "Klutz DIY Rainbow Catcher: Maker Lab STEM Kit",
      "field": "included components",
      "value": "The kit includes three clear crystals, three silver rings, two suction cups, three holographic plastic pieces, a wired motor, a battery box with alligator clips and a plastic gearbox.",
      "stated_as": "Comes with: 3 clear crystals. 3 silver rings, 2 suction cups, 3 holographic plastic pieces, motor with wires, battery box with alligator clips, plastic gear box.",
      "source_type": "guide",
      "source_url": "https://www.scholastic.ca/our-books/book/diy-rainbow-catcher-9781338643824",
      "source_read_at": "2026-09-25T15:19:16.862Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/4990543364182",
      "name": "Klutz DIY Rainbow Catcher: Maker Lab STEM Kit",
      "url": "/products/ucp/anbbaby-com/4990543364182",
      "why": "The kit builds into a motorized machine using gears and electronic components to make rainbows move around the room.",
      "cells": [
        {
          "column": "Gears",
          "fact": null
        },
        {
          "column": "Magnets",
          "fact": null
        },
        {
          "column": "Age range",
          "fact": {
            "field": "age discrepancy",
            "value": "The store lists a narrower recommended age of 8–12 years, while the maker says ages 8 and up.",
            "stated_as": "Recommended age\n8 - 12 years",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/klutz-diy-rainbow-catcher-maker-lab-stem-kit",
            "source_read_at": "2026-09-25T15:19:10.813Z"
          }
        },
        {
          "column": "Included parts",
          "fact": {
            "field": "included components",
            "value": "The kit includes three clear crystals, three silver rings, two suction cups, three holographic plastic pieces, a wired motor, a battery box with alligator clips and a plastic gearbox.",
            "stated_as": "Comes with: 3 clear crystals. 3 silver rings, 2 suction cups, 3 holographic plastic pieces, motor with wires, battery box with alligator clips, plastic gear box.",
            "source_type": "guide",
            "source_url": "https://www.scholastic.ca/our-books/book/diy-rainbow-catcher-9781338643824",
            "source_read_at": "2026-09-25T15:19:16.862Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/9032239022366",
      "name": "Yookidoo Tumble Ball Stacker",
      "url": "/products/ucp/anbbaby-com/9032239022366",
      "why": "The side gears can turn alone or interact with one another.",
      "cells": [
        {
          "column": "Gears",
          "fact": {
            "field": "gears",
            "value": "The side gears can turn alone or interact with one another.",
            "stated_as": "The gears on the sides of the blocks turn and interact with each other or by themselves.",
            "source_type": "guide",
            "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
            "source_read_at": "2026-09-28T09:50:10.465Z"
          }
        },
        {
          "column": "Magnets",
          "fact": null
        },
        {
          "column": "Age range",
          "fact": {
            "field": "age range",
            "value": "The sources disagree on age: the maker says 9–24 months, while the store feed says 1 year and older.",
            "stated_as": "9-24Months",
            "source_type": "guide",
            "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
            "source_read_at": "2026-09-28T09:50:10.465Z"
          }
        },
        {
          "column": "Included parts",
          "fact": {
            "field": "included items",
            "value": "The maker’s contents section lists one stacker base, one funnel head, three stackers and three rattling balls.",
            "stated_as": "1 x stacker base\n1 x funnel head\n3 x stackers\n3 x rattling balls",
            "source_type": "guide",
            "source_url": "https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy",
            "source_read_at": "2026-09-28T09:50:10.465Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6598345326678",
      "name": "Tegu Magnetic Racer Building Block Set",
      "url": "/products/ucp/anbbaby-com/6598345326678",
      "why": "Compatible with all other Tegu Magnetic Wooden Blocks.",
      "cells": [
        {
          "column": "Gears",
          "fact": null
        },
        {
          "column": "Magnets",
          "fact": {
            "field": "Compatibility",
            "value": "Compatible with all other Tegu Magnetic Wooden Blocks.",
            "stated_as": "Fully compatible with ALL other Tegu Magnetic Wooden Blocks.",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Age range",
          "fact": {
            "field": "Age range",
            "value": "Designed for children from 12 months to 3 years.",
            "stated_as": "children between the ages 12 months and 3 years",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        },
        {
          "column": "Included parts",
          "fact": {
            "field": "Included",
            "value": "Includes a chassis, body and driver.",
            "stated_as": "Complete with a chassis, body and driver",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-23T19:03:51.372Z"
          }
        }
      ]
    }
  ]
}