Popsugar Parenting Toys Best Toys For 3-Year-Old Boys The Best Toys For Keeping 3-Year-Olds Busy and Happy 17 May 2019 by Angela Elias View On One Page Photo 28 of 30 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 28 Kinetic Sand Slime Lab This Kinetic Sand Slime Lab ($10) will keep kids busy for hours. Kinetic Sand Slime Lab $10 from walmart.com Buy Now Previous Next Start Slideshow ToysToddlersKid Shopping