Build a bumble bee, frog or design your own predator. Then program the bumble bee to fly and buzz, the frog to leap, and the predator to hunt. {YEL!}’s Teach It! Practice It! Play It!® classroom method emphasizes 21st Century Learning skills like STEM, teamwork, and problem solving. Sign up today! Visit YELKids.com for more information. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this site or program.