{"product_id":"unit-block-marble-run-40-pc-set-us-9724","title":"Unit Block Marble Run - 40 pc. set - US 9724","description":"\u003cp\u003eChildren 3 and up can begin early exploration of physics, STEM lessons and architectural design using the Unit Block Marble Run - 40 pc. set. Rubberwood blocks feature drops, bumps and routed paths that allow for multiple building opportunities. 10 double-sided concept cards provide building inspiration for different block arrangements as well as corresponding lessons related to physics theories. Set includes 4 starter acrylic marbles and 36 block pieces scaled to unit block proportions allowing for multiple run path possibilities.\u003c\/p\u003e","brand":"Guidecraft","offers":[{"title":"Default Title","offer_id":48042560520450,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/8336\/4610\/files\/2026-06-03_ggk_G2060_Unit_Block_Marble_Run_40_pc._set_Main_ccdab90f-e0f3-4208-a6ec-2830ff3c1dd3.jpg?v=1782358941","url":"https:\/\/guidecraftdiscount.com\/products\/unit-block-marble-run-40-pc-set-us-9724","provider":"Guidecraft outlet shop","version":"1.0","type":"link"}