My bigger boxes explore various mechanisms through the medium of Lego. Each costs a small price, valued at 50p per level out of 10. Here is where descriptions and solutions of these boxes can be found. All instructions can be purchased/ found at Rebrickable.com.

Interlocked Box:

Two sections, one multicoloured, one not. Held together with a locking mechanism. This is how this box seems at first glance, yet there are more secrets to uncover.

This box comes at a cost of £3.50 and is level 5/10.

Jewel Heist Box:

This box is a larger box. Your mission is to find the lockpick and utilise it to find the jewels hidden within. Multiple complex gear systems hide behind the box's bars for you to uncover.

This box comes at a cost of £5.50 and is level 9/10.

Black Box:

This box is a simplistic yet deviously difficult box with multiple sliding pieces to navigate. The aim, to reveal the money piece; the only hint, "red means fail."

This box is level 8/10 and comes at a price of £5.00.

Origami Box:

Although small, this box is mighty and difficult to solve, navigate its slides and folds in order to reveal the money piece.

This box is level 6/10 and comes at a price of £4.00.

Polar Box:

This cold, harsh box is level 10/10 and features many sliders, secrets and icy slopes. Can you take on the challenge and explore the Polar puzzle?

It comes at a price of £6.00.

Vault Box:

This vault contains a sliding secret within its multiple puzzles. Can you solve this level 7/10 puzzle and unlock its drawers?

It costs only £4.50 and is ready for you to build.

Maroon20 Box:

As the name suggests, this box requires 20 moves to pull its treasure away from its grasp: are you up to the challenge:

It comes at a price of £5.00 and is difficulty level 8/10.

Unnamed Box: