









🕵️♀️ Unlock the mystery, join the elite squad of junior spies!
Melissa & Doug’s On the Go Spy Mystery Secret Decoder Book combines 18 interactive code-breaking activities with a built-in rotary decoder wheel and a magic-reveal pen, creating a compact, travel-friendly STEM activity for kids aged 7-9. No batteries needed, just pure brain-boosting fun wherever adventure calls.









| Product Dimensions | 15.5 x 26 x 2.5 cm; 140 g |
| Manufacturer recommended age | 7 - 9 years |
| Item model number | 5248 |
| Educational Objective(s) | STEM |
| Language: | English |
| Number of Game Players | 1 |
| Number of Puzzle Pieces | 2 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Wood |
| Color | Multicolor |
| Release date | 1 January 2016 |
| Language | English |
| ASIN | B00CF17456 |
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