Le-Glue - Temporary Glue for Lego, Mega Blocks, Nano Blocks, and More. Great for Kids! Non-Toxic! Made in USA! Keep Kids Happy with Easy to Use Temporary Brick Glue - No More Messy Break-Ups! - Cleans Up Easily The Only Non-Permanent Glue Designed Specifically for Brick Building. Wont Damage Bricks, Saves Replacement Costs Holds Bricks 10x Stronger - Easily Dissolves in Warm Water, Leaves No Residue Made In The USA - Non-Toxic  Natural Ingredients  Bitter Taste Added For Child Safety Design and Build Like a Professional - Perfect For Competitive Brick Building or Model Making