| Math Equation Set | maitrilearning.com | 22.5 USD | 149.5 USD | −69.9% |
| Chinese Clothing 3-Part Reading | maitrilearning.com | 19.95 USD | 24.95 USD | −20% |
| Fine Art 4-Part Cards | maitrilearning.com | 19.95 USD | 119.7 USD | −8.1% |
| Phonetic Level 1 Set: Simplest Phonetic Words | maitrilearning.com | 69.95 USD | 159.5 USD | −6.4% |
| Fine Art Matching Cards | maitrilearning.com | 13.95 USD | 100.65 USD | −4.5% |
| Fine Art Display Cards | maitrilearning.com | 12.95 USD | 77.7 USD | −3.5% |
| Reading Fluency: Common Nouns Kit | maitrilearning.com | 11991 USD | — | — |
| Imperfect Phonetic Level 3 Set: Other Phonograms | maitrilearning.com | 2141 USD | — | — |
| Matching Starter Set | maitrilearning.com | 1538 USD | — | — |
| Common Nouns Matching Card Sets | maitrilearning.com | 1538 USD | — | — |
| Reading Fluency: Fine Art Kit | maitrilearning.com | 1155 USD | — | — |
| Chart-Sized 3-Part Card Pouches | maitrilearning.com | 578 USD | — | — |
| Parts of the Leaf Definitions | maitrilearning.com | 556 USD | — | — |
| Imperfect Horses (Coat Colors) Definition Cards | maitrilearning.com | 449 USD | — | — |
| Flags of North America 3-Part Reading | maitrilearning.com | 449 USD | — | — |
| Imperfect Parts of the House Frame 3-Part Reading | maitrilearning.com | 428 USD | — | — |
| Clothing Matching | maitrilearning.com | 385 USD | — | — |
| Reptiles Matching | maitrilearning.com | 385 USD | — | — |
| Imperfect Parts of the Frog Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Katydid (Grasshopper) Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Spider Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Flower (Monocot) Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Horse Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Flag Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Turtle Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Flower (Dicot) Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Snail Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Leaf Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Lobster Definitions | maitrilearning.com | 321 USD | — | — |
| Imperfect Parts of the Butterfly Definitions | maitrilearning.com | 314 USD | — | — |
| Imperfect Land & Water 2 Definitions | maitrilearning.com | 314 USD | — | — |
| Imperfect Parts of the Sea Star Definitions | maitrilearning.com | 314 USD | — | — |
| Imperfect Parts of the Leaf 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Tree 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Snail 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Frog 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Horse 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Ant 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Turtle 3-Part Reading | maitrilearning.com | 299 USD | — | — |
| Imperfect Parts of the Spider 3-Part Reading | maitrilearning.com | 299 USD | — | — |