7 Critical thinking home school resources
Updated August 23, 2026
This auction ended on September 1, 2026.
See upcoming auctions from Harmeyer Auction & Appraisal Co..
| Lot number | 537 |
| Auction | Johnson Art & Antiques Online Auction |
| Date | September 1, 2026 at 6:30 PM EDT |
| Auction house | Harmeyer Auction & Appraisal Co. |
| Location | Rushville, Indiana |
Seven teaching resources to develop critical thinking skills and logical reasoning, all published by MindWare, all unused: 1) Perplexors, Level A (grades 4-5). 2) Perplexors, Level B (grades 5-6). 3) Perplexors, Level C (grades 6-7). 4) Perplexors, Level D (grades 7-9). 5) Perplexors, Expert Level (grades 9-12). 6) Deducibles, Level A (grades 3-5). 7) Deducibles, Level B (grades 6-8).
