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Sandbox To combat the slipperiness special boxes for sand or salt are often placed along slippery slopes, such as bridges in winter. We used such a box for a new packing problem. The goal is to pack the four polycubes in the box and shut…
Swinging Lid Tray Swinging Lid Tray is a two-dimensional member in our family of dynamic space packing puzzles. The goal is to pack six pieces in the box through a swinging lid in one of the sides of the 5x5-tray. As pieces enter the…
Unmatch Box Unmatch Box is shaped like a matchbox, but is a combination of two linked rings. The goal is to pack the three pieces in the box. The volume of 2x3x4 is more than sufficient to accommodate all the pieces. The problem is very…
Donut Perplex Junior Slicing the torus is a favorite mathematical pastime. We entered Donut Persplex with thirteen pieces in the 2019 Design Competition and got little response. Concluding the challenge might have been to steep, we made…
Turn Around Turn Around's challenge is to pack six polycubes into a rectangular box. The lid has a dovetail and must be turned to close. To make this possible, the positioning of the pieces is limited. Of the more than 5K theoretical…
Quinta Cuboïds With Quinta Cuboïds we try to simplify matters by using five identical blocks. The complication is the box: it has a rectangular hole in the corner of the top so the blocks can enter in just one orientation. Puzzlers are…
Pizza Panne Packing a pizza in a box is generally no rocket science. But if the pizza is sliced and there are more slices than fit in a full pizza, it may become a difficult puzzle. And that is exactly what we have here, seven pizza…
3U Frame Three simple U's which are interlocked can form an interesting puzzle cage. The challenge is to accommodates four hexacubes forming a 3x3x3 cube where the holes are not visible. Beware for this level 15 puzzle with only two…
Pivot Window The 2x3x4 box of Pivot Window has a 2x3 lid that can turn around a central axis. This axis can move over three-quarters of the length of the box. This creates a very dynamic entrance to the box. The goal is to pack five…
Orange Perplex Another participant in the 2019 Design Competition was Orange Perplex. There are five three-slices pieces to combine in an orange. A bit harder than Donut Perplex Junior, but doable for puzzlers with a healthy appetite. The…
7 Spiders Halloween activities include trick-or-treating, attending costume parties, carving pumpkins into jack-o'-lanterns, lighting bonfires, divination games, playing pranks, visiting haunted attractions, telling scary stories, as well…
Hexatangler A hexatangler is a compound of two V-tricubes with partial overlap. The box has an opening in the centre of the top. The goal is to pack and unpack all six hexatanglers. Planning and out of the box thinking will help to reach…
Multiplex Manchester coding is a type of encoding system where each data bit is either low then high, or high then low. This self-clocking signal was widely used for data recording and is still in use in various systems today. This basic…
Twist Them In Twist Them In's container has three movable parts: A base, a rotable lid which is attached to the base, and a removable hatch which forms the opening. The rotation is eccentric, so that the hatch can be opened only if the…
Slideshow The lid on this box slides open and closed at an angle. This means that the pieces do not simply fit in, especially if there are already pieces in the box. The goal is to pack the four pieces and close the lid. Printing…
Vixen's Antlers We offered the six identical pieces of Vixen’s Antlers in two colours of your choice. The idea is to pair them of in bicoloured subsets, e.g. Using superglue, and combining the three pieces in an attractive hexagonal box…
Trio The goal of Trio is to form three cubes with just three identical pieces. Spatial perception skills are a pro to solve this challenge. An interesting challenge for the advanced is to make six cubes with two sets. These cubes must be…
Quintessence In ancient philosophy the fifth Platonic solid, the regular dodecahedron, is the highest element that permeates all nature and is the substance composing the celestial bodies. Quintessence comes from a Latin expression for…
Drawbridge When the Drawbridge is up, it is a breeze to slide a piece in, but once a bigger chunk is under the bridge it becomes a challenge. The goal is to pack the three pieces in the contraption in a 2x2x3 block. This takes some…
Pakze! The goal of Pakze! Is to pack five polyspheres is a box with an obstructed entrance. It takes some planning to also pack the last piece in the box, without spheres sticking out. A fun puzzle for all packing-aficionados. Printing…
Ringed Tetras Pack the eight tetracubes and two rings in the 3x4x4 box through a central hole. An odd 30 moves and rotation are needed. There is only one solution. Printing Instructions The box is printed in 2 pieces to have no overhang.…
Hash^3 Six identical pieces can form an cubic object that has a hashtag symbol on all six sides. 14 moves are needed for full assembly (3.1.3.4.3). A three pieces stand is provided to display the assembled object. Printing Instructions…
Slats The goal of the Slats puzzle is to braid the slats into the framework. This will take a lot of ingenuity and some perseverance. For the clever we added the Bloody Heart challenge: hide a heart between the slats. Who is up to the…
No Picnic Basket This puzzle challenges you to put the seven Soma pieces in a 3x3x3 cube. This would be easy if it wasn't for a central handle which surrounds the box and obstructs packing. Fortunately the handle can move, but only a bit,…
Cardano Packing pieces in a framework can be a problem, even more so if it is a composition of three square cardanic rings. Five polycubes must form a seemingly solid cube inside this frame. There exist a unique solution and it takes more…
Bowing Box A double hinged open box must be packed with seven pieces that form a 3x3x3 block inside Bowing Box.A unique solution exist among almost 15,000 assemblies. Some 25 moves, including rotations, are required. Printing Instructions…
SOS A cage constructed from styled letters: S, O and S has a capacity of 3x3x3. The challenge is to pack three hexacubes fully inside the cage. This tricky task will take 28 moves and has a unique solution (21 moves for the last piece…
Darwins Drawer This is the first of No Problem Puzzle’s amazing series of “Drawer” puzzles. You will want to collect them all. For this model, a case is included which holds the model, poker and pieces. You can also install an RFID tag…
Bacon Pancake Our second 2D packing puzzle is for the gourmets: Bacon Pancake. The goal is to fit the seven bacon strips in the pancake. No piece of cake, but a heavy meal. Printing Instructions Print one Pancake. And 7 of the bacon and…
Cha Cha Slider Cha-Cha Slider is a wonderful puzzle that has a medium level of difficulty and a very satisfying solution. Put the five pieces in the 2x3x4 box. As each piece enters, it becomes increasingly difficult to insert the next.…
Crusher The goal of Crusher is to put the four pieces in the box in the inner 3x3x3 area while keeping them intact. Both box and lid are latticework and to put the pieces in, use must be made of the space between the bars and outside the…
Pythagoras' Drawer This is the last of No Problem Puzzle’s amazing series of “Drawer” puzzles. The goal is to close the drawer with the the four polycubes packed inside. The drawer can open only half way and oddly moves in a diagonal…
Borromean Braid Originally Borromean Braid (a pin-hole version) was Theos exchange puzzle in IPP 31. Later it was modified into a dovetail version and included in the No Problem collection. Out of the 2 "loops" and 2 loop haves a…
Jelly Basket The series "Basket Puzzles" starts in 2019 with the three Mushroom Baskets by Andrey Ustjuzhanin and has been continued by Akaki Kuumeri with a long series of entertaining and difficult puzzles. Now we are happy to contribute…
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