Diy Sandbox Cover Ideas . Beranda / diy sandbox cover ideas. Create or build your own cool and practical cover for your sandbox right at home. 60+ DIY Sandbox Ideas and Projects for Kids Page 4 of 10 DIY & Crafts from www.diycraftsy.com Fasten them to the top edges of the box, centering them so there are two inches of 2x6 protruding on the. Cut 1x4s to length and if so desired taper the ends as shown here. Thanks to this large sandbox, you can easily have your children and their friends all in one place.