Are Black Markers Really Black? A Chromatography Lesson.

add water to marker on paper towel experiment

What color is black? Is it one color or many colors combined to "look black"? Black is the absence of all reflective colors, and when the three primary colors (red, yellow, and blue) are combined in just the right way, they give off the appearance of black. We set off to find out more about the predominant colors in our black Crayola marker, and to do this we had to … [Read more...]

5 Easy Steps to Invent a Recipe with Kids

invent a recipe with kids

Do you like to cooking with kids or do you yearn to cook with your child? Today we're sharing five easy steps to invent a recipe with kids, which will get you into a creative cooking mindset. Think Master Chef + little kids = a fun afternoon. But you might wonder, "why would I want to invent a recipe when I can easily follow a recipe?" The answer is that inventing recipes … [Read more...]

Magical Plastic Bag Experiment

leak proof plastic bag experiment

Here's a fun experiment that won't take a lot of time, and it's more than likely that you have all the "ingredients" around the house. I did this with my three and a half year old, and it would be relevant for preschoolers and elementary-age children. The idea that we're testing here is what will happen if we poke a sharp pencil through a plastic bag of water. Will the water … [Read more...]

DIY Paper Bag Book with Japanese Binding {Free Download}

Tinkerlab DIY Paper Bag Book cover.001

You might know that I've been working on a fun project with the San Francisco Children's Creativity Museum DIY Studio Space. Each month for a full year, we're developing creativity-boosting invitations for children who visit the museum. If you visit the Studio this month you'll find an assortment of interesting found materials and a host of ideas for upcycling books from these … [Read more...]

Microwave Puffy Paint

puffy microwave paint

Who wouldn't love a good experiment that combines mixing flour + watercolor paint, and zapping it into puffy magic in the microwave? When I saw this inspiring post by Rashmie at Mommy Labs, who in turn was inspired by Tammy over at Housing in a Forest, I knew it was something that my 3.5 year old experimenter would love to try. We mixed a batch of puffy paint from … [Read more...]