{"id":515730,"date":"2025-10-22T11:13:23","date_gmt":"2025-10-22T09:13:23","guid":{"rendered":"https:\/\/www.speedcube.nl\/uncategorized\/lost-found-celtic-knot\/"},"modified":"2026-04-24T05:01:09","modified_gmt":"2026-04-24T03:01:09","slug":"lost-found-celtic-knot","status":"publish","type":"product","link":"https:\/\/www.speedcube.nl\/en\/brainteasers\/professor-puzzle-en\/lost-found-celtic-knot\/","title":{"rendered":"Lost &amp; Found Celtic Knot"},"content":{"rendered":"<p>Get transported back in time with the &#8220;Celtic Knot&#8221; puzzle &#8211; part of the &#8220;Lost &amp; Found&#8221; collection. This elegant wooden puzzle is inspired by ancient Celtic knot motifs dating back to the 3rd and 4th centuries A.D. The challenge: break the puzzle apart and reassemble it.  <\/p>\n<table>\n<thead>\n<tr>\n<th>Property<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Box dimensions<\/td>\n<td>approx. 9 \u00d7 9 \u00d7 8.5 cm<\/td>\n<\/tr>\n<tr>\n<td>Difficulty<\/td>\n<td>4 out of 6 (&#8220;Extreme&#8221; according to supplier)<\/td>\n<\/tr>\n<tr>\n<td>Age recommendation<\/td>\n<td>From 12 years and older<\/td>\n<\/tr>\n<tr>\n<td>Language independent<\/td>\n<td>Yes &#8211; mechanical puzzle principle without text<\/td>\n<\/tr>\n<tr>\n<td>Number of parts<\/td>\n<td>3 wooden parts<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>LOST &amp; FOUND<\/p>\n","protected":false},"featured_media":515687,"template":"","meta":{"_improvement_type_select":"improve_an_existing","_thumb_yes_seoaic":false,"_frame_yes_seoaic":false,"seoaic_generate_description":"","seoaic_improve_instructions_prompt":"","seoaic_rollback_content_improvement":"","seoaic_idea_thumbnail_generator":"","thumbnail_generated":false,"thumbnail_generate_prompt":"","seoaic_article_description":"","product-afmeting-lengte-mm":"","product-afmeting-breedte-mm":"","product-afmeting-hoogte-mm":""},"product_brand":[],"product_cat":[1442,1390,1389,2663,1775],"product_tag":[],"class_list":{"0":"post-515730","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-3-stars-normal","7":"product_cat-brain-teasers-for-adults","8":"product_cat-brainteasers","9":"product_cat-professor-puzzle-en","10":"product_cat-wooden-brainteasers","11":"pa_merken-lost-found-en","13":"first","14":"instock","15":"taxable","16":"shipping-taxable","17":"purchasable","18":"product-type-simple"},"df_price":14.99,"df_sale_price":"","df_regular_price":14.99,"df_image_link":"https:\/\/www.speedcube.nl\/wp-content\/uploads\/2025\/10\/Productvisuals_Breinbrekers-Lost-Found-Celtic-Knot-Puzzle-2-285x300.jpg","_links":{"self":[{"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product\/515730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product\/515730\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/media\/515687"}],"wp:attachment":[{"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/media?parent=515730"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product_brand?post=515730"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product_cat?post=515730"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.speedcube.nl\/en\/wp-json\/wp\/v2\/product_tag?post=515730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}