====6th Birthday====
===Devils toothpaste===
Items to use:
  * [[https://www.homedepot.com/p/Harris-128-oz-12-Hydrogen-Peroxide-All-Purpose-Cleaner-2-Pack-2HP12-128/326508786|12% Hydrogen Peroxcide]]
  * [[https://shopbvv.com/products/hydrogen-peroxide-50-food-grade?_pos=1&_sid=e79080160&_ss=r|50% Hydrogen Peroxcide]]
  * [[https://a.co/d/04EhsI60|Potassium Iodide Powder (99.9%)]]
  * Either Dollar Tree or Target

Notes:
  * mix 7g of KI with 7ml of hot water, for every 1 cup of H2O2.
  * Use 12% H2O2 with kiddos, and 50% for demos
  * get 2 quarts of 50% H2O2. 1 qt wasn't enough.
  * Get a magnetic mixing for the KI and water. too much powder not mixed in





====5th Birthday====
===2 Litter Bottle Rockets===