Water Rocket with Raspberry Pi – V1

water rocket v1 - raspberry pi

We have started to learn about rockets. Not only theoretical learning, but also practical. We have build a type of rocket that can theoretically reach (based on current records) close to 1 km altitude. Clearly we will not reach that altitude, that is the record hold by very experienced builders, we are aiming to have […]

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November 29, 2020

Drawing: Limbourg Brothers Style

Calendar art

Again, from the book Discovering Great Artists by MaryAnn F. Kohl, Kim Solga, we have a new project for you. The Limbourg Brothers are most known for their calendar-book with a list of holy days, prayers, and pictures of the seasons. Their pictures were incredibly detailed creations with paints that they made themselves. They used tiny […]

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April 9, 2020

A Microscopic Look at a Bee

Bees outside

WARNING: this article contains extremely close-up images of a dead bee, so if you are afraid or disgusted of dead insects, then this article is not for you. At last, the arrival of spring, flowers blooming, bees buzzing, and many other wonderful moments. While we were playing tennis, my dad and I found a dead […]

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April 5, 2020



Materials foamcore , width 1cm, size > 60 cm 4 LED battery holder (4x AAA) small switch wires adhesive tape (transparent) 2 x printer paper hot glue gun OPTIONAL soldering station to solder the LED and wires Work time: about 1 hour

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January 24, 2019

Advent Calendar

advent calendar

We have made a tradition during the month of December to prepare for Christmas day. In the evenings, we drink a cup of tea, eat biscuits and read a Bible verse that speaks about Jesus. This year we have created a special advent calendar, with a rotating dial, each day it releases a new verse […]

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December 4, 2018

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Autumn, Walnuts, Fun

walnut necklace

Autumn is here, latest preparation before winter. Mom is preparing a very delicious walnut cake and we will need to crack some walnuts ! You can say … boriiiingggg … Yes, but there can be a lot of fun using the walnut shells!

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October 27, 2018

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