As an Amazon Associate I earn from qualifying purchases.
The gold standard in childhood play”: for more than 30 years, Melissa & Doug has created beautifully designed imagination- and creativity-sparking products that NBC News called “the gold standard in early childhood play.
100% happiness guarantee: we design every toy to the highest quality standards, and to nurture minds and hearts. Our phone number is on every product! Problem solvers, reveal secret messages, uncover hidden clues, unite!: The Melissa & Doug On the Go Secret Decoder Deluxe Activity Set gives kids a chance to crack codes, and be super sleuths!. Great gift for ages 7 to 9: this set makes a delightful and educational gift for kids ages 7 to 9.



Osmo is magic: fun-filled & an ipad or fire tablet, bringing a child's game pieces & award winning learning games. Geared towards children & love of learning. Teaching: use a game piece magnifying glass, search for landmarks around the world while also learning trivia facts about geography, culture, and history Detective Agency.
Real-time audio and visual feedback lets children learn through experimentation in a stress-free environment. Compatibility for ipad & fire tablet: compatible ipads: all ipads except generation 1, 7th generation fire hd10, ipad pro 11-inch and ipad pro 12. 9-inch. The minimum iOS version needed is iOS 9. Game is designed for beginner to expert levels. What's in the box: 4 double-sided maps, Map holder, & Magnifying glass & 1 Game App: Detective Agency. Osmo enables the continuation of learning.




We aim to please. Kids love using this kind of pen to keep their secret and play detective spy games. The barrel of the pens will come in a variety of colors to keep the activity exciting.
The color of the light is Blue and it will display the words written in clear ink. Newly updated package includes: 12 2x per color invisible magic pens with built in UV lights. Exciting spy activities for kids: kids will love these spy pens. Once your secret message is written with this invisible ink pen wait a few seconds, then shine the blue light from the cover of the pen and REVEAL MYSTERY OF THE SECRET MESSAGE. Buy with confidence: we at sypens consider our clients our utmost priority.

Write on x-ray secret message sheet, which can only be decoded with decoder lens. This kit introduces kids the intriguing spy world practices of secret communications and recording evidence, all in the name of fun.
4m offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun. Kit includes invisible markers, a 20 page super spy journal with a secret code library, and much more. Scientific toys like this product encourage imagination and critical thinking in children. Inspiring, creative, imaginative, fun.

1. Melissa & Doug
#ad
Melissa & Doug Secret Decoder Set
#adMelissa & Doug #ad - If your child is not inspired, give us a call and we'll make it right. Activities galore: 50+ activities include a secret Decoder Game Book, Secret Message Activity Pad, Seek & Find Game Book, and magic-reveal sticker sheets. Play and learn: This robust activity set encourages problem solving and critical thinking.The gold standard in childhood play”: for more than 30 years, Melissa & Doug has created beautifully designed imagination- and creativity-sparking products that NBC News called “the gold standard in early childhood play.
More information #ad
”. Add the melissa & doug game on! travel Activity Pad Game to round out the hands-on play experience and give kids another engaging option for screen-free fun. 100% happiness guarantee: we design every toy to the highest quality standards, and to nurture minds and hearts. Our phone number is on every product! Problem solvers, reveal secret messages, uncover hidden clues, unite!: The Melissa & Doug On the Go Secret Decoder Deluxe Activity Set gives kids a chance to crack codes, and be super sleuths!. Great gift for ages 7 to 9: this set makes a delightful and educational gift for kids ages 7 to 9.
Brand | Melissa & Doug #ad |
Manufacturer | Melissa & Doug #ad |
Height | 12 Inches |
Length | 2.25 Inches |
Weight | 1 Pounds |
Width | 10.5 Inches |
Part Number | 5238 |
Model | 5238 |
Warranty | No Warranty |
More information #ad
2. Melissa & Doug
#ad
Melissa & Doug Secret Decoder Spy Bundle
#adMelissa & Doug #ad - Tools store neatly in covers--great travel activity. Each book has 18 pages of mazes, seek-and-finds, codes to break, word scrambles, and more. Three activity books and spy tools for kids. Tools store neatly in covers--great travel activity.More information #ad
Ages 7+; three books, 6" x 10" each. Spy tools two with each book include magic ink, red-lens spy glass, and decoder wheel. Three activity books and spy tools for kids. Spy tools two with each book include magic ink, red-lens spy glass, and decoder wheel. Each book has 18 pages of mazes, seek-and-finds, codes to break, word scrambles, and more.Brand | Melissa & Doug #ad |
Manufacturer | Melissa and Doug #ad |
Height | 10.1 Inches |
Length | 1.2 Inches |
Weight | 0.85 Pounds |
Width | 6.7 Inches |
Part Number | 93188 |
Model | 93188 |
Warranty | No Warranty |
More information #ad
3. Melissa & Doug
#ad
Melissa & Doug Secret Decoder Game Book
#adMelissa & Doug #ad - Includes 18 activity pages, decoder wheel, and magic-reveal pen. Activity book and spy tools for kids. Part of the melissa & Doug On-the-Go line of travel games and activity books. Crack the codes to solve the mysteries! Rotary decoder wheel is easy to use and has unlimited play value.More information #ad
Brand | Melissa & Doug #ad |
Manufacturer | Melissa & Doug #ad |
Height | 10.25 Inches |
Length | 6.25 Inches |
Weight | 0.3 Pounds |
Width | 0.75 Inches |
Part Number | 5248 |
Model | 5248 |
Warranty | No Warranty |
More information #ad
4. Osmo
#ad
Solve Global Mysteries, For iPad or Fire Tablet Osmo Base Required, STEM Toy, Ages 5-12, Detective Agency, Osmo
#adOsmo #ad - Osmo base and ipad/Fire Tablet not included, required for game play. Currently not compatible with the new Fire HD8 launched May 2020 Osmo sees and reacts to every real-life move. Children interact with actual hand held pieces & actions to life No WiFi necessary for game play.Osmo is magic: fun-filled & an ipad or fire tablet, bringing a child's game pieces & award winning learning games. Geared towards children & love of learning. Teaching: use a game piece magnifying glass, search for landmarks around the world while also learning trivia facts about geography, culture, and history Detective Agency.
More information #ad
Skills learned: critical thinking, learn about local cultures, listening, history, geography, international landmarks, observation & solve mysteries. Real-time audio and visual feedback lets children learn through experimentation in a stress-free environment. Compatibility for ipad & fire tablet: compatible ipads: all ipads except generation 1, 7th generation fire hd10, ipad pro 11-inch and ipad pro 12. 9-inch. The minimum iOS version needed is iOS 9. Game is designed for beginner to expert levels. What's in the box: 4 double-sided maps, Map holder, & Magnifying glass & 1 Game App: Detective Agency. Osmo enables the continuation of learning.
Brand | Osmo #ad |
Manufacturer | Osmo #ad |
Height | 1.25 Inches |
Length | 9 Inches |
Weight | 0.22 Pounds |
Width | 6 Inches |
Part Number | 902-00011 |
Model | 902-00011 |
Warranty | 90 Day Warranty Against Manufacturer Defects |
More information #ad
5. Melissa & Doug
#ad
Melissa & Doug Case of the Runaway Ruby
#adMelissa & Doug #ad - 24 pages of seek-and-find coloring activities. Perfect for a stocking stuffer. Promotes fine motor skills, pre-writing skills, and visual discrimination. Magic" pen stores right in the cover! Surprise pictures appear as you color! Perfect for travel.More information #ad
Brand | Melissa & Doug #ad |
Manufacturer | Melissa & Doug #ad |
Height | 10.1 Inches |
Length | 1 Inches |
Weight | 0.25 Pounds |
Width | 6 Inches |
Part Number | 5535 |
Model | 5535 |
Warranty | No Warranty |
More information #ad
6. Melissa & Doug
#ad
Melissa & Doug Case of the Slippery Flippers
#adMelissa & Doug #ad - Perfect for a stocking stuffer. Promotes fine motor skills, pre-writing skills, and visual discrimination. Magic" pen stores right in the cover! Surprise pictures appear as you color! Perfect for travel. 24 pages of seek-and-find coloring activities.More information #ad
Brand | Melissa & Doug #ad |
Manufacturer | Melissa & Doug #ad |
Height | 9.65 Inches |
Length | 0.4 Inches |
Weight | 0.25 Pounds |
Width | 5.65 Inches |
Part Number | 5536 |
Model | 5536 |
Warranty | No Warranty |
More information #ad
7. Scientific Explorer
#ad
Scientific Explorer Scientific Explorer Crime Catchers Science Kit
#adScientific Explorer #ad - Recommended for children 8 years of age and older. Solve 2 exciting mysteries with 8 activities. Includes baking soda, test tube, ph strips, filters, cylinder, cap, suspect cards, citric acid, decoder, flour, cups, markers, bags, painting and more.More information #ad
Match fingerprints, DNA, test powders and liquids and decode secret messages. Each activity will have you acting and thinking like a real forensic scientist.Brand | Scientific Explorer #ad |
Manufacturer | Scientific Explorer #ad |
Height | 12 Inches |
Length | 10 Inches |
Weight | 0.7 Pounds |
Width | 2.75 Inches |
Part Number | 0S6802008 |
Model | 0S6802008 |
Warranty | No Warranty |
More information #ad
8. SyPen
#ad
SyPen Invisible Disappearing Ink Pen Marker Secret spy Message Writer with uv Light Fun Activity Entertainment for Kids Party Favors Ideas Gifts and Stock Stuffers 12 Pack
#adSyPen #ad - From surprise birthday parties, to revealing a top secret message to their parents or grandparents. Invisible pen brings you an amazing variety of fun activities. Great gift for fun party favors: this invisible spy pen comes in a pack of 12 assorted barrel colors with clear ink and a blue light in all pens to make the activity more exciting and fun.We aim to please. Kids love using this kind of pen to keep their secret and play detective spy games. The barrel of the pens will come in a variety of colors to keep the activity exciting.
More information #ad
We value your business and treasure all of your input. If for whatever reason you are not completely satisfied with our product, please contact a member of our customer care team and let us make it right. Write your secret message: this magical invisible ink pen will write your secret message. The color of the light is Blue and it will display the words written in clear ink. Newly updated package includes: 12 2x per color invisible magic pens with built in UV lights. Exciting spy activities for kids: kids will love these spy pens. Once your secret message is written with this invisible ink pen wait a few seconds, then shine the blue light from the cover of the pen and REVEAL MYSTERY OF THE SECRET MESSAGE. Buy with confidence: we at sypens consider our clients our utmost priority.
Brand | SyPen #ad |
Manufacturer | SyPen #ad |
Height | 1 Inches |
Length | 8 Inches |
Weight | 0.02 Pounds |
Width | 5 Inches |
Part Number | SY-UV Light-12 |
Model | . |
More information #ad
9. 4M
#ad
4M Spy Science Secret Messages Kit
#ad4M #ad - Challenge your child's imagination with 4M toys and kits. A real spy training pack, this kit will teach kids to encode with concealed secret messages and communicate in many different top secret ways. Recommended for ages 8 years and up. 4m educational toys cover a wide range of educational subjects and include science kits, robotics kits, arts and crafts kits, and more.Write on x-ray secret message sheet, which can only be decoded with decoder lens. This kit introduces kids the intriguing spy world practices of secret communications and recording evidence, all in the name of fun.
More information #ad
The eight useful spy tools include: super spy journal, white invisible message Writer Pen, X-ray Secret Notes, Morse Code Shutter Torch, Secret Code Library, Black Message Developer, Cypher Wheel, and Super Spy ID Card.44m offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun. Kit includes invisible markers, a 20 page super spy journal with a secret code library, and much more. Scientific toys like this product encourage imagination and critical thinking in children. Inspiring, creative, imaginative, fun.
Brand | 4M #ad |
Manufacturer | Toysmith #ad |
Height | 8.5 Inches |
Length | 7.2 Inches |
Weight | 0.25 Pounds |
Width | 3.4 Inches |
Part Number | 5592 |
Model | 5592 |
Warranty | 30 day warranty against manufacturer defects |
More information #ad
10. Melissa & Doug
#ad
Spy, Melissa & Doug Wipe-Off Activity Pad
#adMelissa & Doug #ad - Ages 6+; 6” x 10” x 1”. Convenient built-in dry-erase marker storage, handy size, and reusability make it perfect for travel. Activity book of reusable word, picture, and solve-the-mystery spy games for one or two players to do with dry-erase markers.More information #ad
Includes 2 different-colored dry-erase markers with built-in eraser caps. Sturdy spiral-bound book with 10 double-sided pages and 16 different games.Brand | Melissa & Doug #ad |
Manufacturer | Melissa & Doug #ad |
Height | 9.9 Inches |
Length | 6 Inches |
Weight | 0.35 Pounds |
Width | 0.8 Inches |
Part Number | 30170 |
Model | 30170 |
More information #ad