Exploding Duplo

Newer take on old concept, easy trick! Holds 4 regular 2x2 Legos (you can either print them or use what you have, just match the color) Put magnets in top of Duplo, paint to match color. Place large metal washer in side small jar (I used 6oz plastic jar with flat bottom*). *if jar does not have flat bottom, trick will NOT work correctly. MUST have flat bottom