MD009 – The Wizard
This wizard can perform actual magic!
His crystal 8-ball magically answers any yes/no question.
Watch the video on youtube!
To build this Wizard you will need gold vinyl stickers cut with a plotter and you will need 4 small magnets in addition to the LEGO parts.
zip file with instructions, bom and stickers
Tic-Tac-Toe Playing Machine
This machine can really play a game of Tic-tac-toe with you! It is in essence a mechanical computer: It uses 52 logic gates and a 204 bit brick-built memory.
Video, images and a big yellow support button are here: The Tic-tac-toe playing machine on LEGO ideas
Analog calculator
An analog calculator that can add, subtract, multiply and divide! It is an entry for the bricklink designer program. On November 20th 2026 Bricklink will publish whether it moves on to the next phase or not. More images are on Bricklink.com. A video is on YouTube.
MD007 – Running dino
This little dino can run a short sprint. It is powered by a pull-back motor. while it takes a bit of practice it can be a lot of fun to play with. If you want to try this little experiment at home, then go ahead and download the instructions from Rebrickable.
Space-Trek T-Shirt
I made myself a fun T-shirt: A crossover of the LEGO Space logo and the Star Trek emblem. The design file is here. License is CC BY 4.0. Check with Paramount and LEGO before using commercially as this is obviously based on their trademarks/logos.
MD003 – Light effect spaceship
A spaceship with light effects, landing gear, ramp and forward and aft shooters. More images and free instructions are on Rebrickable. A video of the light effect and the model are on Youtube. A detailed review by Chricki is on the Rebrickable blog.
MD008 – Winged dinosaur
This model can be built with just the parts of Lego set 31157 ‘Exotic Peacock’. More images and free instructions are on Rebrickable.
MD006 – Cute robot
This model is an alternate build for Lego set 31163 ‘Playful cat’. It consists of both the cute robot and the flying scooter. More images and free instructions are on Rebrickable.
MD005 – Flying speeder
This model is an alternate build for Lego set 31163 ‘Blue parrot’. It fits two minifigs. More images and free instructions are on Rebrickable.
The dancing shoes
This model is inspired by the Efteling theme park. The two shoes dance on the table when the handle is turned. This is achieved using Lego magnets. More images and a video are on Lego Ideas. Another video is on Youtube.
This Lego Ideas project has expired and can no longer be supported.
MD004 – Hovercraft
This is an alternate build of Lego set 31147 ‘Retro photo camera’. Free instructions and more images are on Rebrickable.
Into the heart
This is a digital design for a valentine’s day postcard. It is created with Bricklink Studio. A full size (square version) of the postcard is on Lego Ideas.
MD002 – Ant robot
This is an alternate build of Lego set 31135 ‘Vintage motorcycle’. It also uses the spare parts that came with the box. Free instructions and more images are on Rebrickable.
Dots in space
This is an idea for a pencil holder with a lid consisting of a moon, small spaceship and minifig. You can see all sides of the pencil holder on Lego Ideas. To build something similar, just take a look at the instructions of the 41906 Pineapple pencil holder set.
MD001 – Experiment 01
This small technic experiment demonstrates a small mechanism dat translates input rotation in any direction to an output that only rotates clockwise. Free instructions are on Rebrickable. A video demonstrating this mechanism is on Youtube.