Unit Blocks (45 Pcs.) by Guidecraft - $ 75.00 From: BlissLiving 45 pieces 14 shapes. 14 lbs. Guidecraft smooth unit blocks are made to resist dents and dings. You'll notice the finely sanded and rounded to eliminate any sharp edges and are splinter-free to protect tender young hands. All our blocks are guaranteed for life. Method of shipping is UPS Standard. Material Hardwood.