div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentblocks-rock-stem-educational-learning-toy-ages-4-a-assets-a-img-a-feature-blockhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Blocks Rock! STEM Educational Learning Toy Ages 4+ › assets › img › feature-block · building and the mental rotation task require spatial reasoning and these spatial loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220424005f0ecf2e7e708231d4410b96html5thumbnails1jpg width=140 height=200 divdiv