Inventions
Books
Most of the inventions you can learn how to make are contained in one of the many bookshelves found throughout the land. Below is a listing of all the books, what you learn, and where you can find them.
Note: You must be the level specified before you can understand the book's contents. Also, every book can be found in Kirara.
| Level Required | Item Learned | Place Found |
| Level 1 | Boots 1 | Father's House |
| Level 2 | Sword 1 | Your House |
| Level 3 | Shot 1 | Your House |
| Level 4 | Bomb 1 | Your House |
| Level 5 | Shield 1 | Your House |
| Level 6 | Hammer 1 | Your House |
| Level 7 | Punch 1 | Your House |
| Level 8 | Boots 2 | Prinky's House |
| Level 9 | Axe 1 | Prinky's House |
| Level 10 | Shield 3 | Prinky's House & Fortress (War Room) |
| Level 11 | Power Pack | Prinky's House & Fortress (War Room) |
| Level 12 | Sword 2 | R&D in Volcano |
| Level 13 | Punch 2 | R&D in Volcano |
| Level 14 | Celtis 1 | Einst Office in Volcano |
| Level 15 | Shield Pack | Father's House |
| Level 16 | Quick Pack | Chief's Room in Volcano & Fortress (War Room) |
| Level 17 | Bomb 2 | Einst Office in Volcano & Mainframe room in Fortress |
| Level 18 | Turbo Pack | Your House & Mainframe room in Fortress |
| Level 19 | Weather | Your House |
| Level 20 | Vanish | Your House |
| Level 21 | Smoke | Crispy Shop in Rococo |
| Level 22 | Cure | Crispy Shop in Rococo |
| Level 23 | Clean | Crispy Shop in Rococo |
| Level 24 | Repair | Your House |
| Level 25 | Laser 1 | Mainframe room in Fortress |
| Level 26 | Blade 1 | Prison Cell in Fortress |
| Level 27 | Blade 2 | Prison Cell in Fortress |
| Level 28 | Bomb 3 | Polon's House in "past" Rococo |
| Level 29 | Shot 3 | Polon's House in "past" Rococo |
| Level 30 | Shield 5 | Lab on Choco |
| Level 40 | Boots 6 | Lab on Choco |
| Level 50 | Bomb 4 | Lab on Choco |
| Level 60 | Laser 3 | Library on Kirara |
| Level 70 | Solar Pack | Library on Kirara |
| Level 80 | Blade 4 | Library on Kirara |
Others
The following are learned through other means--and you can learn them at any level--as long as certain conditions in the story are met.
| Item Learned | Place Found |
| Relay | Flavon teaches it in Prinky's House |
| Glasses | Book in R&D in Volcano Bio Lab |
| Little Robot | The Grandma in Rococo teaches it |
| Cyber Jack | Dr. G's lab in Fortress |
Cost
The following table lists the cost of making each item you can invent. Generally, the prices are cheaper then what you can buy in shops, and if you are desperate for money, you can combine items and sell them to make quick profits.
| Cost | Item |
| 10 | Glasses, Cyber Jack |
| 20 | Relay, Smoke |
| 60 | Cure |
| 100 | Clean |
| 200 | Sword 1, Hammer 1, Punch 1, Shot 1, Boots 1, Weather, BigBomb |
| 300 | Repair |
| 400 | Bomb 1, Shield 1, Axe 1, Sword 2 |
| 500 | Vanish, Punch 2, Celtis 1 |
| 1000 | Shield 3, Boots 2, Bomb 2, Laser 1, Shot 3, Blade 1 |
| 1400 | Bomb 3 |
| 2000 | Little Robot, Blade 2, Bomb 4 |
| 3000 | Power Pack, Turbo Pack, Shield 5 |
| 4000 | Boots 6, Solar Pack |
| 5000 | Shield Pack, Quick Pack |
| 6000 | Blade 4 |