Yabba Dabba Doo! A member at Instructables has posted detailed instructions on how to build a Flintstones car for your kids! Brilliant idea, and very well executed. Eat your heart out Fisher-Price!
Warning: May not be appropriate for children under 3. Hazardous and dangerous to most children's health. Only use if your child grew up watching classic Hanna-Barbera cartoons, and is named Pebbles or Bam-Bam.